SSC GD Constable previous year question
The Least Common Multiple of two prime numbers x and y, (x<y) is 145. Then what is the value of (10x - y)?
Asked in SSC GD Constable 2024: 22 Feb 2024 Shift 4 · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (D) 21
LCM of two primes = their product = 145 = 5×29, so x=5, y=29. 10x−y = 50−29 = 21.
हिंदी में प्रश्न
दो अभाज्य संख्याओं x और y, (x<y) का लघुत्तम समापवर्त्य 145 है। तो (10x - y) का मान क्या है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 21
LCM of two primes = their product = 145 = 5×29, so x=5, y=29. 10x−y = 50−29 = 21.
More solved Quantitative Aptitude questions
- How many two digit numbers are there which are divisible by 8?
- What is the average of squares of the first 17 natural numbers?
- A person lent a certain sum of money at the annual rate of 24 percent on simple interest. In 5 years the interest amounted to Rs. 1200…
- The ratio of P, Q and R is 6 : 5 : 9 respectively. If their sum is 400, then what is the difference between P and R?
- The difference between the circumference and the diameter of a circle is 12 cm. What is the area of the circle?
- In a smoothie recipe, the ratio of fruits to yogurt is 5:2, and the ratio of yogurt to honey is 3:1. What is the ratio of fruits to honey…