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9. Free notebooks were distributed equally among children of a class. The number of notebooks each child got was one­eighth of the number of children.

Had the number of children been half, each child would have got 16 notebooks. Total how many notebooks were distributed?

a. 312
b. 432
c. 512

d. 720
Solution. Let total number of children be x.
Then

∴number of notebooks

Answer. c

10. A bag contains 9 sand bags and these 9 sand bags contain 3 smaller bags each. What is the total number smaller bags.

a. 3
b. 9

c. 27
d. 81
Solution. 9 × 3 =27
Answer. c

11. Ram, Ramesh and Rakesh share out a certain sum of money between them. Ram gets 35%, Ramesh gets 3/5 and Rakesh gets Rs 125.

How much is the original sum of money?

a. 1500
b. 1800
c. 2000

d. 2500
Solution. 35% = 7/20 and 3/5 = 12/20 ie 19/20 in total

Ramesh’s share of Rs 125 must therefore be 1/20

Total sum of money, therefore, is Rs 125 × 20 = 2,500
Answer. d

12. A sum of Rs. 1360 has been divided among A, B and C such that A gets 2/3 of what B gets and B gets 1/4 of what C gets. B's share is:

a. 150
b. 200
c. 240
d. 300