Q1Written answer
What other things have you heard of in lakhs?
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Solution:-
(i) Cost of truck
(ii) Cost of bus
(iii) Population in towns, etc.
NCERT · Class 5 · Maths
Chapter 1: The Fish Tale
Practice each question, then open the answer or worked solution.
(3)
Textbook page 9 · 5 questionsQ2Written answer
Write the number one thousand. Now, write one hundred thousand. So how many zeroes are there in the number one lakh? Easy, isn’t it?
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Solution:-
One thousand = 1000
One hundred thousand is also called one lakh = 1,00,000
Then the total number of zeros in one lakh = 5
Q3Written answer
There are about two lakh boats in our country. Half of them are without a motor. What is the number of boats with a motor? Write it.
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Solution:-
From the question, it is given that there are about two lakh boats in our country.
Then, half of them are without a motor.
The number of boats with a motor = 2,00,000/2
= 1,00,000 motors
Q4Written answer
About one-fourth of the boats with a motor are big machine boats. How many thousand machine boats are there? Come on, try to do it without writing it down.
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Solution:-
From the question, it is given that about one-fourth of the boats with a motor are big machines.
Number of boats = 1,00,000
¼ × 1,00,000 = 25000
Therefore, the number of machine boats = 25000
Q5Written answer
Where have you heard of a crore? What was the number used for?
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Solution:-
I heard that in a country, the population is a crore.
1 crore = 1,00,00,000
The total number of zeros is 7.