RRB JE practice question
7 litres of milk cost ₹140. How many litres of milk can be bought for ₹40?
From a RRB JE Quantitative Aptitude practice set · Quantitative Aptitude
Tap an option to check your answer.
Show answer and explanation
Correct answer: (B) 2 litres
Rate = ₹140 ÷ 7 = ₹20 per litre. Quantity for ₹40 = 40/20 = 2 litres. (Direct proportion: 7/140 = x/40 ⇒ x = 7 × 40/140 = 2.)
हिंदी में प्रश्न
7 लीटर दूध का मूल्य ₹140 है। ₹40 में कितने लीटर दूध खरीदे जा सकते हैं?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 2 लीटर
दर = ₹140 ÷ 7 = ₹20 प्रति लीटर। ₹40 में मात्रा = 40/20 = 2 लीटर। (समानुपात: 7/140 = x/40 ⇒ x = 7 × 40/140 = 2।)
More solved Quantitative Aptitude questions
- Find the LCM of 28, 35, 60 and 120.
- Find the value of 1³ + 2³ + 3³ + … + 17³.
- In a school of 50 students, the combined average score in an exam is 68 marks. Among them, 20 students (Group 1) have an average score of…
- Two positive perfect squares x and y satisfy √x − √y = 2 and x − y = 40. Find the value of xy.
- A invests Rs 45,000 in a business for the entire year. B invests Rs 60,000 but withdraws Rs 15,000 after 8 months (continuing with the…
- A shopkeeper buys 100 identical pieces of a toy for a total of ₹5000 and marks each piece at ₹80. He sells 70 pieces at a discount of 10%…