Knowing Numbers


Q.1) Place commas correctly and write the numerals.
(a) Nine crore five lakh forty-one.
(b) Fifty eight million four hundred twenty three thousand two hundred two.

(Ans) (a) 9,05,00,041

(b) 58,423,202
Q.2) Arrange the numbers in ascending order: 947, 10009,8331,502.
(Ans) 502 < style="display: block;" id="ancid_1">
Q.3) Write in Roman numerals.
(a) 65
(b) 77


(Ans) (a) 65 =50+10+5=L+X+V = LXV

(b) 77 = 50+10+10+7= L+X+X+VII = LXXVII
Q.4) A vessel has 4 litres and 500 ml of curd. In how many glasses, each of 25ml capacity, can it be filled?

(Ans) 1 litre = 1000 ml
Quantity of curd in vessel = (4 1000 + 500) ml
= (4000 + 500) ml
= 4500 ml

Therefore,
Total glasses filled by the curd = 4500 25
= 180
Therefore, 180 glasses can be filled by the curd .
Q.5) In an election the successful candidate registered 5,77,500 votes and his nearest rival secured 3,48,700 votes. By what margin did the successful candidate win the election?

(Ans) Number of votes the successful candidate registered = 5,77,500
Number of votes the rival secured = 3,48,700

Margin of votes

The successful candidate won the election by a margin of 2,28,800 votes.
Q.6) The population of a town is 9,75,689. In the first year it increased by 4563 and in the next year it decreased by 8976. What population was left at the end of two years?

(Ans)

Population of town = 9,75,689

After 1st year's increase = 9,75,689

+ 4563

980252

After 2nd year's decrease = 9,80,252

- 8976

971276

*Population left = 9,71,276
Q.7) Arrange the following in ascending Order. 6392,6782,6789,6654

(Ans) Ascending order 6392,6654,6782,6789

Q.8) How will the number 3,53,552 be read out According to Indian System?

(Ans) Three Lakhs fifty three thousand five hundred fifty two


Q.9) Arrange the following numbers is to descending orders

100101, 100001, 100011, 10001.

(Ans) 100101 >100011 >100001 >10001

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