Mathematics competition

1. In our village, there are 240 houses. 5/6 of them are covered with iron sheets. Find the number of houses without iron sheets.

a 60 houses

b 20 houses

c 40 houses

d 80 houses

2. Calculate the perimeter of a square whose area is 49 square metres

a 32m

b 36m

c 28m

d 24m

3. What is 1/2 of 540?

a 240

b 260

c 250

d 270

4. Divide 3/4 by 2/3

a 1 1/8

b 8/8

c 2/9

d 8/9

5. Find the value of x in 2x-4=5x-13

a X=2

b X=3

c X=5

d X=7

6. Mahongerwa has 200 bananas. 3/4 of them are ripe. Find the number of bananas which are not ripe.

a 25

b 30

c 50

d 40

7. A man spent 3/4 of his salary on food. He also spent 1/2 of the remainder on communication. He was left with 15000$. Find out how much he remained with.

a 15000$

b 150000$

c 90000$

d 120000$

8. What is 1/8 of 64

a 2

b 1

c 6

d 8