The average of three numbers is 15. If two of the numbers are 10 and 20, what is the third number?
a) 5
b) 15
c) 25
d) 35
Answer: a) 5
The average age of a class of 30 students is 12 years. If the age of the teacher is included, the average age becomes 13 years. What is the age of the teacher?
a) 30 years
b) 31 years
c) 32 years
d) 33 years
Answer: b) 31 years
The average of five consecutive odd numbers is 25. What is the largest number?
a) 23
b) 25
c) 27
d) 29
Answer: d) 29
The average weight of a group of 10 people is 70 kg. If one person with a weight of 80 kg joins the group, what will be the new average weight?
a) 69 kg
b) 70 kg
c) 71 kg
d) 72 kg
Answer: c) 71 kg
The average of six numbers is 15. If one number is excluded, the average becomes 16. What is the excluded number?
a) 5
b) 10
c) 15
d) 20
Answer: a) 5
The average of four numbers is 18. If one number is excluded, the average becomes 20. What is the excluded number?
a) 15
b) 18
c) 20
d) 25
Answer: d) 25
The average age of a family of four members is 25 years. If the average age of the father and the mother is 30 years, what is the average age of the two children?
a) 20 years
b) 22 years
c) 24 years
d) 26 years
Answer: b) 22 years
The average of four numbers is 25. If three numbers are 20, 30, and 40, what is the fourth number?
a) 20
b) 25
c) 30
d) 35
Answer: c) 30
The average of a group of 15 numbers is 12. If the average of the first 10 numbers is 10 and the average of the last 5 numbers is 15, what is the 11th number?
a) 8
b) 10
c) 12
d) 14
Answer: b) 10
The average of four consecutive even numbers is 24. What is the largest number?
a) 24
b) 26
c) 28
d) 30
Answer: c) 28
The average of five numbers is 12. If one number is excluded, the average becomes 14. What is the excluded number?
a) 10
b) 12
c) 14
d) 16
Answer: b) 12
The average of a group of 25 numbers is 18. If the average of the first 15 numbers is 20 and the average of the last 10 numbers is 16, what is the 16th number?
a) 16
b) 18
c) 20
d) 22
Answer: d) 22
The average of three consecutive numbers is 10. What is the smallest number?
a) 8
b) 9
c) 10
d) 11
Answer: a) 8
The average of 5 numbers is 30. If each number is multiplied by 2, what will be the new average?
a) 30
b) 40
c) 50
d) 60
Answer: b) 40
The average of 20 numbers is 15. If each number is divided by 3, what will be the new average?
a) 5
b) 10
c) 15
d) 20
Answer: a) 5
The average of five consecutive even numbers is 18. What is the largest number?
a) 18
b) 20
c) 22
d) 24
Answer: d) 24
The average of 7 numbers is 15. If each number is multiplied by 2, what will be the new average?
a) 7.5
b) 15
c) 22.5
d) 30
Answer: c) 22.5
The average of a group of 10 numbers is 8. If each number is subtracted by 5, what will be the new average?
a) 3
b) 5
c) 8
d) 10
Answer: b) 5
The average of five numbers is 10. If each number is increased by 5, what will be the new average?
a) 10
b) 15
c) 20
d) 25
Answer: b) 15
The average of four numbers is 12. If each number is divided by 2, what will be the new average?
a) 6
b) 8
c) 10
d) 12
Answer: a) 6
The average of three numbers is 30. If one number is 40, what is the sum of the other two numbers?
a) 30
b) 40
c) 50
d) 60
Answer: c) 50
The average of four numbers is 20. If one number is 10, what is the sum of the other three numbers?
a) 30
b) 40
c) 50
d) 60
Answer: c) 50
The average of five numbers is 16. If one number is 18, what is the sum of the other four numbers?
a) 50
b) 60
c) 70
d) 80
Answer: a) 50
The average of four numbers is 15. If one number is 10, what is the sum of the other three numbers?
a) 25
b) 35
c) 45
d) 55
Answer: c) 45
The average of six numbers is 24. If one number is 36, what is the sum of the other five numbers?
a) 48
b) 60
c) 72
d) 84
Answer: b) 60
The average of five numbers is 18. If one number is 12, what is the sum of the other four numbers?
a) 48
b) 54
c) 60
d) 72
Answer: c) 60
The average of six numbers is 22. If one number is 26, what is the sum of the other five numbers?
a) 84
b) 90
c) 96
d) 100
Answer: b) 90
The average of four numbers is 30. If one number is 40, what is the sum of the other three numbers?
a) 60
b) 70
c) 80
d) 90
Answer: b) 70
The average of a group of 8 numbers is 10. If the sum of three numbers is 30, what is the sum of the remaining five numbers?
a) 20
b) 30
c) 40
d) 50
Answer: c) 40
The average of a group of 12 numbers is 20. If the sum of four numbers is 60, what is the sum of the remaining eight numbers?
a) 100
b) 120
c) 140
d) 160
Answer: c) 140
The average of a group of 10 numbers is 15. If the sum of three numbers is 40, what is the sum of the remaining seven numbers?
a) 85
b) 95
c) 105
d) 115
Answer: d) 115
The average of a group of 15 numbers is 25. If the sum of five numbers is 100, what is the sum of the remaining ten numbers?
a) 150
b) 200
c) 250
d) 300
Answer: c) 250
The average of a group of 20 numbers is 30. If the sum of six numbers is 120, what is the sum of the remaining fourteen numbers?
a) 360
b) 480
c) 600
d) 720
Answer: b) 480
The average of a group of 15 numbers is 18. If the sum of four numbers is 60, what is the sum of the remaining eleven numbers?
a) 150
b) 160
c) 170
d) 180
Answer: c) 170
The average of a group of 18 numbers is 25. If the sum of five numbers is 100, what is the sum of the remaining thirteen numbers?
a) 300
b) 325
c) 350
d) 375
Answer: b) 325
The average of a group of 25 numbers is 30. If the sum of six numbers is 150, what is the sum of the remaining nineteen numbers?
a) 500
b) 550
c) 600
d) 650
Answer: c) 600
The average of a group of 12 numbers is 24. If the sum of three numbers is 60, what is the sum of the remaining nine numbers?
a) 180
b) 200
c) 220
d) 240
Answer: c) 220
The average of a group of 30 numbers is 35. If the sum of eight numbers is 240, what is the sum of the remaining twenty-two numbers?
a) 580
b) 600
c) 620
d) 640
Answer: a) 580
The average of a group of 20 numbers is 40. If the sum of five numbers is 200, what is the sum of the remaining fifteen numbers?
a) 500
b) 600
c) 700
d) 800
Answer: d) 800
The average of a group of 15 numbers is 25. If the sum of four numbers is 100, what is the sum of the remaining eleven numbers?
a) 300
b) 325
c) 350
d) 375
Answer: c) 350
The average of a group of 25 numbers is 30. If the sum of six numbers is 150, what is the sum of the remaining nineteen numbers?
a) 500
b) 550
c) 600
d) 650
Answer: c) 600
The average of a group of 12 numbers is 24. If the sum of three numbers is 60, what is the sum of the remaining nine numbers?
a) 180
b) 200
c) 220
d) 240
Answer: c) 220
The average of a group of 30 numbers is 35. If the sum of eight numbers is 240, what is the sum of the remaining twenty-two numbers?
a) 580
b) 600
c) 620
d) 640
Answer: a) 580
The average of a group of 20 numbers is 40. If the sum of five numbers is 200, what is the sum of the remaining fifteen numbers?
a) 500
b) 600
c) 700
d) 800
Answer: d) 800
The average age of a group of friends is 25 years. If the age of one friend is 30 years, what is the sum of the ages of the remaining friends?
a) 100
b) 125
c) 150
d) 175
Answer: c) 150
The average weight of a group of 15 students is 60 kg. If the weight of one student is 70 kg, what is the sum of the weights of the remaining students?
a) 870 kg
b) 880 kg
c) 890 kg
d) 900 kg
Answer: a) 870 kg
The average height of a group of 20 people is 160 cm. If the height of one person is 170 cm, what is the sum of the heights of the remaining people?
a) 3100 cm
b) 3150 cm
c) 3200 cm
d) 3250 cm
Answer: c) 3200 cm
The average salary of a group of 12 employees is $5000. If the salary of one employee is $6000, what is the sum of the salaries of the remaining employees?
a) $54,000
b) $58,000
c) $62,000
d) $66,000
Answer: a) $54,000
The average score of a group of 30 students is 80. If the score of one student is 90, what is the sum of the scores of the remaining students?
a) 2280
b) 2320
c) 2360
d) 2400
Answer: a) 2280
The average age of a group of people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1900 years
b) 1950 years
c) 2000 years
d) 2050 years
Answer: a) 1900 years
The average weight of a group of 15 apples is 100 grams. If the weight of one apple is 120 grams, what is the sum of the weights of the remaining apples?
a) 1500 grams
b) 1620 grams
c) 1740 grams
d) 1860 grams
Answer: d) 1860 grams
The average height of a group of 20 trees is 10 meters. If the height of one tree is 12 meters, what is the sum of the heights of the remaining trees?
a) 180 meters
b) 200 meters
c) 220 meters
d) 240 meters
Answer: c) 220 meters
The average score of a group of 12 students is 80. If the score of one student is 90, what is the sum of the scores of the remaining students?
a) 840
b) 850
c) 860
d) 870
Answer: c) 860
The average age of a group of people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1800 years
b) 1850 years
c) 1900 years
d) 1950 years
Answer: a) 1800 years
The average weight of a group of 15 apples is 100 grams. If the weight of one apple is 120 grams, what is the sum of the weights of the remaining apples?
a) 1500 grams
b) 1620 grams
c) 1740 grams
d) 1860 grams
Answer: d) 1860 grams
The average height of a group of 20 trees is 10 meters. If the height of one tree is 12 meters, what is the sum of the heights of the remaining trees?
a) 180 meters
b) 200 meters
c) 220 meters
d) 240 meters
Answer: c) 220 meters
The average score of a group of 12 students is 80. If the score of one student is 90, what is the sum of the scores of the remaining students?
a) 840
b) 850
c) 860
d) 870
Answer: c) 860
The average age of a group of people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1800 years
b) 1850 years
c) 1900 years
d) 1950 years
Answer: a) 1800 years
The average weight of a group of 15 apples is 100 grams. If the weight of one apple is 120 grams, what is the sum of the weights of the remaining apples?
a) 1500 grams
b) 1620 grams
c) 1740 grams
d) 1860 grams
Answer: d) 1860 grams
The average height of a group of 20 trees is 10 meters. If the height of one tree is 12 meters, what is the sum of the heights of the remaining trees?
a) 180 meters
b) 200 meters
c) 220 meters
d) 240 meters
Answer: c) 220 meters
The average age of a group of 10 people is 25 years. If the age of one person is 40 years, what is the sum of the ages of the remaining people?
a) 150 years
b) 160 years
c) 170 years
d) 180 years
Answer: a) 150 years
The average weight of a group of 8 objects is 5 kg. If the weight of one object is 10 kg, what is the sum of the weights of the remaining objects?
a) 20 kg
b) 25 kg
c) 30 kg
d) 35 kg
Answer: a) 20 kg
The average temperature of a group of 6 cities is 30 degrees Celsius. If the temperature of one city is 35 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 145 degrees Celsius
b) 150 degrees Celsius
c) 155 degrees Celsius
d) 160 degrees Celsius
Answer: b) 150 degrees Celsius
The average score of a group of 15 students is 75. If the score of one student is 80, what is the sum of the scores of the remaining students?
a) 1050
b) 1100
c) 1150
d) 1200
Answer: c) 1150
The average age of a group of 20 people is 50 years. If the age of one person is 60 years, what is the sum of the ages of the remaining people?
a) 980 years
b) 1000 years
c) 1020 years
d) 1040 years
Answer: c) 1020 years
The average weight of a group of 10 objects is 2 kg. If the weight of one object is 3 kg, what is the sum of the weights of the remaining objects?
a) 14 kg
b) 15 kg
c) 16 kg
d) 17 kg
Answer: a) 14 kg
The average temperature of a group of 8 cities is 20 degrees Celsius. If the temperature of one city is 25 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 135 degrees Celsius
b) 140 degrees Celsius
c) 145 degrees Celsius
d) 150 degrees Celsius
Answer: a) 135 degrees Celsius
The average score of a group of 12 students is 70. If the score of one student is 75, what is the sum of the scores of the remaining students?
a) 825
b) 850
c) 875
d) 900
Answer: c) 875
The average age of a group of 18 people is 30 years. If the age of one person is 35 years, what is the sum of the ages of the remaining people?
a) 495 years
b) 500 years
c) 505 years
d) 510 years
Answer: b) 500 years
The average weight of a group of 15 objects is 5 kg. If the weight of one object is 8 kg, what is the sum of the weights of the remaining objects?
a) 67 kg
b) 68 kg
c) 69 kg
d) 70 kg
Answer: c) 69 kg
The average temperature of a group of 10 cities is 25 degrees Celsius. If the temperature of one city is 30 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 220 degrees Celsius
b) 225 degrees Celsius
c) 230 degrees Celsius
d) 235 degrees Celsius
Answer: b) 225 degrees Celsius
The average score of a group of 20 students is 80. If the score of one student is 85, what is the sum of the scores of the remaining students?
a) 1570
b) 1600
c) 1630
d) 1660
Answer: c) 1630
The average age of a group of 15 people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 525 years
b) 550 years
c) 575 years
d) 600 years
Answer: c) 575 years
The average weight of a group of 12 objects is 10 kg. If the weight of one object is 15 kg, what is the sum of the weights of the remaining objects?
a) 105 kg
b) 110 kg
c) 115 kg
d) 120 kg
Answer: c) 115 kg
The average temperature of a group of 18 cities is 15 degrees Celsius. If the temperature of one city is 20 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 240 degrees Celsius
b) 245 degrees Celsius
c) 250 degrees Celsius
d) 255 degrees Celsius
Answer: b) 245 degrees Celsius
The average score of a group of 15 students is 90. If the score of one student is 95, what is the sum of the scores of the remaining students?
a) 1285
b) 1300
c) 1315
d) 1330
Answer: c) 1315
The average age of a group of 10 people is 30 years. If the age of one person is 35 years, what is the sum of the ages of the remaining people?
a) 255 years
b) 260 years
c) 265 years
d) 270 years
Answer: a) 255 years
The average weight of a group of 20 objects is 15 kg. If the weight of one object is 20 kg, what is the sum of the weights of the remaining objects?
a) 275 kg
b) 280 kg
c) 285 kg
d) 290 kg
Answer: c) 285 kg
The average temperature of a group of 12 cities is 25 degrees Celsius. If the temperature of one city is 30 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 270 degrees Celsius
b) 275 degrees Celsius
c) 280 degrees Celsius
d) 285 degrees Celsius
Answer: c) 280 degrees Celsius
The average score of a group of 25 students is 85. If the score of one student is 90, what is the sum of the scores of the remaining students?
a) 2075
b) 2100
c) 2125
d) 2150
Answer: c) 2125
The average age of a group of 30 people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1050 years
b) 1100 years
c) 1150 years
d) 1200 years
Answer: c) 1150 years
The average weight of a group of 18 objects is 10 kg. If the weight of one object is 15 kg, what is the sum of the weights of the remaining objects?
a) 135 kg
b) 140 kg
c) 145 kg
d) 150 kg
Answer: c) 145 kg
The average temperature of a group of 25 cities is 20 degrees Celsius. If the temperature of one city is 25 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 475 degrees Celsius
b) 480 degrees Celsius
c) 485 degrees Celsius
d) 490 degrees Celsius
Answer: c) 485 degrees Celsius
The average score of a group of 30 students is 90. If the score of one student is 95, what is the sum of the scores of the remaining students?
a) 2685
b) 2700
c) 2715
d) 2730
Answer: c) 2715
The average age of a group of 25 people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 950 years
b) 975 years
c) 1000 years
d) 1025 years
Answer: b) 975 years
The average weight of a group of 18 objects is 20 kg. If the weight of one object is 30 kg, what is the sum of the weights of the remaining objects?
a) 300 kg
b) 320 kg
c) 340 kg
d) 360 kg
Answer: c) 340 kg
The average temperature of a group of 30 cities is 25 degrees Celsius. If the temperature of one city is 30 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 700 degrees Celsius
b) 720 degrees Celsius
c) 740 degrees Celsius
d) 760 degrees Celsius
Answer: b) 720 degrees Celsius
The average score of a group of 35 students is 80. If the score of one student is 85, what is the sum of the scores of the remaining students?
a) 2730
b) 2760
c) 2790
d) 2820
Answer: c) 2790
The average age of a group of 30 people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1050 years
b) 1100 years
c) 1150 years
d) 1200 years
Answer: c) 1150 years
The average weight of a group of 25 objects is 15 kg. If the weight of one object is 20 kg, what is the sum of the weights of the remaining objects?
a) 325 kg
b) 335 kg
c) 345 kg
d) 355 kg
Answer: c) 345 kg
The average temperature of a group of 20 cities is 25 degrees Celsius. If the temperature of one city is 30 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 470 degrees Celsius
b) 475 degrees Celsius
c) 480 degrees Celsius
d) 485 degrees Celsius
Answer: b) 475 degrees Celsius
The average score of a group of 35 students is 90. If the score of one student is 95, what is the sum of the scores of the remaining students?
a) 3015
b) 3040
c) 3065
d) 3090
Answer: c) 3065
The average age of a group of 40 people is 50 years. If the age of one person is 60 years, what is the sum of the ages of the remaining people?
a) 1940 years
b) 1960 years
c) 1980 years
d) 2000 years
Answer: c) 1980 years
The average weight of a group of 30 objects is 10 kg. If the weight of one object is 15 kg, what is the sum of the weights of the remaining objects?
a) 255 kg
b) 270 kg
c) 285 kg
d) 300 kg
Answer: b) 270 kg
The average temperature of a group of 35 cities is 20 degrees Celsius. If the temperature of one city is 25 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 670 degrees Celsius
b) 675 degrees Celsius
c) 680 degrees Celsius
d) 685 degrees Celsius
Answer: b) 675 degrees Celsius
The average score of a group of 40 students is 80. If the score of one student is 85, what is the sum of the scores of the remaining students?
a) 3160
b) 3200
c) 3240
d) 3280
Answer: c) 3240
The average age of a group of 35 people is 40 years. If the age of one person is 50 years, what is the sum of the ages of the remaining people?
a) 1300 years
b) 1350 years
c) 1400 years
d) 1450 years
Answer: a) 1300 years
The average weight of a group of 40 objects is 15 kg. If the weight of one object is 20 kg, what is the sum of the weights of the remaining objects?
a) 580 kg
b) 600 kg
c) 620 kg
d) 640 kg
Answer: a) 580 kg
The average temperature of a group of 30 cities is 25 degrees Celsius. If the temperature of one city is 30 degrees Celsius, what is the sum of the temperatures of the remaining cities?
a) 720 degrees Celsius
b) 725 degrees Celsius
c) 730 degrees Celsius
d) 735 degrees Celsius
Answer: b) 725 degrees Celsius
The average score of a group of 25 students is 90. If the score of one student is 95, what is the sum of the scores of the remaining students?
a) 2225
b) 2250
c) 2275
d) 2300
Answer: c) 2275