Question

9 papayas weigh 8127 grams. What will be the weight of 25 papayas?
s of cloth 15 metrests 3015. What will be the cost to make a 6 metre long
saree?
A factory produces 2135 bulbs in a week. How many bulbs will it produce in
28 days?
SIVE
81
Mathematics for Class 4 - ICSE​

Answer 1

Answer:

In all three ques.,apply unitary method

Step-by-step explanation:

First question

wieght of 9 papayas=8127 g

wieght of 1 papaya=8127/9

--------------------------=903 g

Now,wieght of 1 papaya=903 g

wieght of 25 papayas=25×903 g

-------------------------------=22575 g

Second question

1 week=7 days

Bulbs produced in 7 days=2135

Bulbs produced in 1 day=2135/7

---------------------------------=305 bulbs

Now,Bulbs produced in 1 day=305

Bulbs produced in 28 days=28×305

--------------------------------------=8540 bulbs

Third question

Cost of making 15 meters saree=3015 ruppees

Cost of making 1 meter = 3015/15

---------------------------------=201 ruppees

Now,Cost of making 1 meter=201 ruppees

Cost of making 6 meters long saree=6×201

--------------------------------------------------=1206 ruppees

Thank you

Hope this helps

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