Question

11. Find the number which is : (a) 20% more than 80 litre. er (b) 10% less than 9 kg. (©) 25% less than 9 km. . (d) 250% more than 500. ​

Answer 1

A N S W E R :

• 20 % of 8 litre=

$80 \times \frac{20}{100?}$

20% of 8 l.

$\frac{1600}{?100}$

20 %of il. =16 litres.

20% more than 8 litre=800+16=96 litre

Answer 2

Answer:

We have the following:

(i)

47

100

=(

47

100

×100)% = 47%

(ii)

9

20

=(

9

20

×100)% =(9×5)%= 45%

(iii)

3

8

=(

3

8

×100)% =(

3×25

2

)%=(

75

2

)%=37

1

2

%