average

Average Questions Set – 8

Average based questions are important for competitive exams. usually 2-3 questions from average section are asked in SBI, IBPS, SSC, UPSC

Q1. Two varieties of rice are mixed in the ratio 2: 3. The price of the mixture is Rs.12 per kg and the price of the variety having lower weight is Rs.10 per kg. Find the price of the other variety.
(a) Rs13.33/kg
(b) Rs11/kg
(c) Rs12/kg
(d) Rs16/kg

Q2. Two different qualities of sugar are mixed in some ratio. The price of one quality of sugar is Rs. 16/kg and that of another quality is Rs. 21/kg. In what ratio have the sugar of two qualities been mixed if the price of the mixture is Rs. 19/kg?
(a) 2:3
(b) 3:4
(c) 2:5
(d) 2:7

Q3. Two vessels A and B of equal capacities contain mixtures of milk and water in the ratio 4:1 and 3:1, respectively. 25% of the mixture from A is taken out and added to B. After mixing it thoroughly, an equal amount is taken out from B and added back to A. The ratio of milk to water in vessel A after the second operation is
(a) 79: 21
(b) 83: 17
(c) 77: 23
(d) 81: 19

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Q4. What is the average of the first 15 multiples of 3?
(a) 21
(b) 27
(c) 24
(d) 15

Q5. The average age of 7 members of a family is 25. If one of the members whose age is 28 years, is excluded, then others are in the ratio 1: 2: 3: 4: 5: 6. Find the age of the eldest member of the family.
(a) 28
(b) 35
(c) 14
(d) 42

Answers: