Question

9. Round off the following numbers to the nearest thousand :

a) 7654 ; b) 98177 ; c) 120841

10. Estimate the difference between 74582 and 65382 by rounding them off to the

nearest thousand, and compare it with the actual difference.

11. Estimate 56 X 77 by rounding off the first number up and the second number

down.

12. Estimate the quotient in the following :

a) 58 ÷ 26 ; b) 4800 ÷ 97

13. In a town there are 4352 women, 5821 men, and 3670 children. Estimate the

town's population by rounding off the numbers to the nearest hundred.

14. Simplify :

a) 538 X 76 ; b) 149270 ÷ 46

15. Find the L.C.M. of the following :

a) 12, 14, 16 ; b) 3, 12, 15

16. Find the H.C.F. of the following by finding the factors :

a) 18, 27 ; b) 12, 36, 64

17. Find the H.C.F. of the following by long division method :

a) 24, 36, 60 ; b) 12, 16, 20

18. The H.C.F. and L.C.M. of two numbers are 16 and 672. If one of the numbers

is 112, find the other.​

Answer 1

Answer:

ROUND OF

1. 7654= 7660
2. 98177= 999080
3. 120841= 120900

DIFFERENCE BETWEEN- 74582 AND 65382

74000 AND 65000

= 9000

ACTUAL DIFFERENCE=74582-65382

= 9200

SECOND ONE IS BIGGER

=9200

-------❤HOPE IT WILL HELP YOU❤-------

Answer 2

14. simplify:

a) = 40, 888

b) = 3,245

= a)