Q.11 Draw any 2 different rectangles on the given square
grid, such that perimeter of each
figure is 18 cm but having different areas. Write their areas
also.
area of first rectangle=…………………. area of second rectangle =
………………….
________________________________________________________________________Ability to Compute
(a) 245 × 30 (b) 257 × 20 (c) 850 ÷ 50
(a)
45.89 + 34.8 + 56.04
(b) 453.075 –356.5
Q.14 Complete the
table –
|
Rectangles
|
Length
|
Width
|
Area
|
perimeter
|
|
Rectangle A
|
12 m
|
15 m
|
|
|
|
Rectangle B
|
11 cm
|
|
154 square cm
|
|
Problem Solving Ability
Q.15 A baby elephant
drinks around 12 L of milk every day. How much milk will it drink in
3 years?
Ans.
………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.16 The length of a
tile is 6cm and width is 8 cm. What is its area?
Ans.
………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.17 The fencing of a
square garden is 40 m in length. How long is one side of the garden?
Ans.
………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.18 A square carom
board has a perimeter of 320 cm. How much is its area?
Ans.
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.19 Sukhiram works on
a farm. He is paid Rs 112 for one day. If he works for 60 days, how
much will he earn?
Ans.
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.20 Ratiram is milk
seller in the city. He sells 15 litres of milk every day at Rs 37 per litre.
How much
does he earn?
Ans.
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.21 If 100 one rupees coins weigh 485 g then how much will
10000 coins weigh?
Ans.
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
…………………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………………….
Q.22 There are 28
laddoos in 1 kg. How many laddoos will be there in12 kg? If 16 laddoos
can be packed in 1 box, how many boxes are needed to pack all
these laddoos?
Ans.
………………………………………………………………………………………………………………………………….
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