1. The height of a conical tank is 50 cm and the diameter of its base is 48 cm. The cost of painting it from outside at the rate of ₹ 35 per square metre is –

₹ 15.50

₹ 16

₹ 16.50

₹ 17

2. The sum of three consecutive odd natural numbers is 147. Then the middle number

40

48

30

49

3. Of the three numbers whose average is 60, the first is 1/4 of the sum of the others. The first number is

30

36

42

45

4. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it?

5

6

4

8

5. Successive discounts of 10% and 30% are equivalent to a single discount of

32%

35%

37%

39%

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