SOME BIG, BIG NUMBERS
1. (a) What other things have you heard of in lakhs?
Ans : → Human population.
→ Price of a house.
→ Value of diamonds.
→ Number of trees in a large forest, etc.
(b) 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?
Ans : One thousand = 1000
One hundred thousand = 100000
There are five zeroes in one hundred thousand.
(c) 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.
Ans : Total number of boats in our country = 2,00,000
Half the total number of boats with motor =
Total number of motor boats in country = 1,00,000.
(d) About one fourth of the boats with a motor are big machine boats. How many thousand machine boats are there?
2.(a) Where have you heard of a crore? What was the number used for.
Ans : I have heard of the number crore in news channel. Crore is used to count the population of a country.
(b) Try writing the number one crore. Don’t get lost in all the zeroes!
Ans : One crore = 1,00,00,000
One crore has 7 zeroes.