Q1Written answer
How many paise does a matchbox cost?
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Worked solution
The matchbox costs 50 paise.
NCERT · Class 5 · Maths
Chapter 10: Tenths and Hundredths
Practice each question, then open the answer or worked solution.
At the market
6 questionsQ2Written answer
How many matchboxes can be got for Rs. 2.50?
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Worked solution
5 matchboxes can be got for Rs. 2.50.
Q3Written answer
How many rupees does the soap cost?
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Worked solution
The soap costs Rs. 8.75.
Q4Written answer
Arun wanted to buy soap. He has a five-rupee coin, 2 one-rupee coins and 4 half-rupee coins. Write in rupees what money he will get back.
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Worked solution
Money with Arun = (5 × 1) + (1 × 2) + (4 × 0.5)
We get
= 5 + 2 + 2
= Rs. 9
We know that
Cost of one soap = Rs. 8.75
So, Arun will get back = 9 – 8.75
It can be written as
= (900 – 875) paise
= 25 paise
= Re. 0.25
Q5Written answer
(a) An egg costs two and a half rupees. How much will one and a half dozen cost?
(b) How many pens can Kannan buy? How much money is left?
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Worked solution
(a) Cost of one egg = Rs. 2.50
So, the cost of one and a half dozen eggs = 12 + 6 = 18 eggs
Here, the cost of 18 eggs = 18 × 2.50
We can write it as
= 18 × 2 + 18 × 0.50
= 36 + 9
= Rs 45
So, the money left = 60 – 45 = Rs 15
(b) Kannan can buy 2 pens. The money left with him is Rs. 15.
Q6Written answer
The price of two pens is Rs ____. Can she buy two pens?
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Worked solution
Yes, she can buy two pens of price Rs. 13.
NCERT Textbook Page No. – 140