If the cost of 3 books is Rs.90, then find the cost of 12 books.

(a)

Rs.300

(b)

Rs.320

(c)

Rs.360

(d)

Rs.400

If Mani buys 5kg of potatoes for Rs.75 then he can buy ______kg of potatoes for Rs.105.

(a)

6

(b)

7

(c)

8

(d)

5

35 cycles were produced in 5 days by a company then______ cycles will be produced in 21 days.

(a)

150

(b)

70

(c)

100

(d)

147

An aircraft can accommodate 280 people in 2 trips. It can take ______trips to take 1400 people.

(a)

8

(b)

10

(c)

9

(d)

12

Suppose 3 kg. of sugar is used to prepare sweets for 50 members, then ____ kg. of sugar is required for 150 members.

(a)

9

(b)

10

(c)

15

(d)

6

12 cows can graze a field for 10 days. 20 cows can graze the same field for_____ days.

(a)

15

(b)

18

(c)

6

(d)

8

4 typists are employed to complete a work in 12 days. If two more typists are added, they will finish the same work in _______ days.

(a)

7

(b)

8

(c)

9

(d)

10