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1. A sphere of 30 cm radius is dropped into a cylindrical vessel of 80 cm diameter, which is partly filled with water, then its level rises by x cm. Find x:

27.5 cm

22.5 cm

18.5 cm

Data inadequate

None of these

2. On dividing a number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder?

0

3

5

11

3. After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member?

2 years

4 years

8 years

15 years

4. The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 10, then their difference is

10

46

70

90

5. A child has three different kinds of chocolates costing Rs.2, Rs.5 and Rs.10. He spends total Rs.120 on the chocolates. What is the minimum possible number of chocolates, he can buy, if there must be at least one chocolate of each kind?

22

19

17

15