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Feb 16th, 2022 - CSAT Quiz

1. The average age of 24 students and the principal is 15 years. When the principal’s age is excluded, the average age decreases by 1 year. What is the age of the principal? (a) 38 (b) 40 (c) 39 (d) 37   2. Three years ago, the average age of A, B and C was 27 years and that of B and C5 years ago was 20 years. A’s present age is (a) 30 years (b) 35 years (c) 40 years (d) 48 years   3. The average of the first five multiples of 7 is (a) 20 (b) 21 (c) 28 (d) 30   4. Find the average of the first 97 natural numbers. (a) 47 (b) 37 (c) 48 (d) 49   5. The average of 3 numbers is 17 and that of the first two is 16. Find the third number. (a) 15 (b) 16 (c) 17 (d) 19   Answer: (1) c (2) c (3) b (4) d (5) d


POSTED ON 16-02-2022 BY ADMIN
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