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Q4.

28 x 20 x 8 x 1/4 = 1120
1.4 l = 1400 ml
(1400 + 1120) ml = 2 litres and 260 millilitres

Ans :  2 litres and 260 millilitres.

Q18. 

area of shaded part ——- (1/2) x 14 x 10 = 70
7/9 ——- 70
1/9 ——- 70/7 = 10

2/9 = 2 x 10 = 20
area of the whole figure ——- 20 x 2 + 70 = 110
or
9/9 = 9 x 10 = 90
area of the whole figure ——- 90 x 2 – 70 = 110

Ans : 110 sq cm.

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Thank you for the answers.

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You are welcome.

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