PUZZLES

1. A full tank gets emptied in 8 minutes due to the presence of a leak in it. On opening a tap which can fill the tank at the rate of 9 L / min, the tank get emptied in 12 min. Find the capacity of a tank? A. 120 L B. 240 L C. 216 L D. 224 L

2. A truck travelled to a place Q from P, the first 50 km at 10 kmph faster than the usual speed, but it returned the same distance at 10 kmph slower than usual speed. If the total time taken by the truck is 12 hours, then how many hours will travel at the faster speed? A. 8 hours B. 6 hours C. 2 hours D. 3 hours

3. A sum of Rs. 4880 was divided among boys and girls in such a way that each boy gets Rs. 44.50 and each girl get Rs. 55.25. If the total number of girls and boys is 100, find the number of girls? A. 60 B. 50 C. 40 C D. 30

4. A vendor sold two magazines namely A and B. He sold magazine‘ A’ at a loss of 30 % and magazine‘ B’ at a profit of 35 % but finally there is no loss or no gain. If the total Selling price of both magazines is Rs. 572. Find the difference between the Cost Price of Magazine‘ A’ and‘ B’?

5. Raghu lends Rs 50,000 of two of his friends. He gives Rs 30,000 to the first at 6 % p. a. simple interest. He wants to make a profit of 10 % on the whole. The simple interest rate at which he should lend the remaining sum of money to the second friend is

6. Ravi got 70 % in English and 56 % in Biology and the maximum marks of both papers is 100. What percent does he score in Maths, if he scores 60 % marks in all the three subjects?. Maximum Marks of Maths paper is 200. A. 30 % B. 40 % C. 45 % D. 57 %

7. In a three digit number the digit in the unit’ s place is twice the digit in the ten’ s place and three times the digit in the hundred’ s place. If the sum of all the three digits of the number is 11, what is the number? 1. 326 2. 436 3. 236 A 4. 336 5. 246

8. In a library 20 % books are in Science, 50 % of the remaining are in Social and the remaining 9000 are in various other subjects. What is the total number of books in Social. 1. 6000 2. 22500 3. 9000 A 4. 45000

9. Fifteen years ago, Rita’ s mother was thrice of Rita’ s age and two years ago Rita’ s Mother was twice of Rita’ s age. What is the present age of Rita’ s Mother? A. 42 years

B. 54 years A

C. 49 years D. 47 years

E. 58 years

10. A number gets reduced to its two-third when 24 is subtracted from it. Find one-eighth of the number? a) 7 b) 8 c) 9 d) 10

WINSPIRE: Empowering youth | March, 2017