Question

1. Write the numerals for each of the following:
(a) Sixteen crore forty lakh ten thousand two hundred forty-nine
(b) Seven crore two lakh eighty-seven
2. Write number names for (a) 7,23,56,708 (b) 27,57,002
3. Write each in expanded form: (a) 5,35,23,981 (b) 34,49,28,876
4. Find the difference between the place values of two 7s in 78,65,49,756.
5. How many five-digit numbers are there in all?
6. Arrange the following numbers in ascending as well as descending order:
4,75,63,892; 56,45,389; 3,27,896, 5,64,585 and 45,87,692.
7. The construction cost of 18 duplex houses constructed by a builder is 4,56,24,564. What is
the cost of one such duplex house?
8. A student multiplied 7,236 by 75 instead of multiplying by 57. By how much was his answer
greater than the correct answer?
9. A vessel has 5 L, 500 mL of ice cream. How many ice cream cups, each of 50 mL capacity,
can be filled?
10. Express each of the following as a Hindu-Arabic numeral:
(a) XXXII
(b) XCV
(c) DCCLXIV (d) CCXX
(e) MVI
(1) LXXXIV
11. Estimate and compare with the actual sum: (a) 760 +683 (b) 9,864 + 2,349
12. Estimate the product of 367 × 540 by rounding off each number to its nearest hundreds.
13. Find the estimated quotient for 473 + 19.
14. Express the following numbers as Roman numerals:
(a) 446
(b) 341
(c) 66
(d) 227
(f) 999
(e) 49​

Answer 1

Answer:

1.a.) 16,40,10,441

b.) 7,02,087

2.a ) seven crore twenty three lakhs fifty six thousand seven hundred and eight

b.) Twenty seven lakh fifty seven thousand and two

3.a) 5,00,00,000 + 30,00,000 + 5,00,000 + 20000 + 3000 + 900 + 80 + 1

b.) 30,00,00,000 + 4,00,00,000 + 40,00,000 + 9,00,000 + 20,000 + 8000 + 800 + 70 + 6

4.) 70,00,00,000 - 700 = 699999300

6.) ascending order

3,27,896 : 5,64,585 : 45,87,692 : 56,46,389 : 4,75,63,892

descending order

4,75,63,892 : 56,46,389 : 45,87,692 : 5,64,585 : 3,27,896

Answer 2

Answer:1.

a) Answer : 16,45,10,249

b) Answer : 7,02,00,089

2.

a) Answer : Seven Crore, Twenty Three Lakhs, Fifty-Six Thousand, Seven Hundred And Eight

b) Answer : Twenty Seven Lakh, Fifty Seven Thousand And Two

3.

a) Answer : 5,00,00,000 + 30,00,000 + 5,00,000 + 2,000 + 3,000 + 900 + 80 + 1

b) Answer : 30,00,00,000 + 4,00,00,000 + 40,00,000 + 9,00,000 + 20,000 + 8,000 + 800 + 70 + 6

4. Answer :

= ( 70,00,00,000 − 700 )

= 69,99,99,300

5.

Ascending Order :

3,27,896 < 5,64,585 < 45,87,692 < 56,45,389 < 4,75,63,892

Descending Order:

4,75,63,892 > 56,45,389 > 45,87,692 > 5,64,585 > 3,27,896

6.

a) Answer : XXXII = 32

b) Answer : XCV = 95

c) Answer : DCCLXIV = 764

d) Answer : CCXX = 222

e) Answer : MVI = 506

f) Answer : LXXXIV = 806

7.

a) Answer : 80

b) Answer : 100

c) Answer : 980

d) Answer : 810

e) Answer : 1,000

8.

a) Answer : 4,000

b) Answer : 7,300

c) Answer : 8,100

d) Answer : 14,600

e) Answer : 28,800

9.

a) Answer : 2,000

b) Answer : 7,000

c) Answer : 8,000

d) Answer : 10,000

e) Answer : 26,000

10.

i) Answer : XLIX

ii) Answer : LXIX

iii) Answer : LXXII

iv) Answer : LXXXIX

v) Answer : XCVIII

vi) Answer : XCII

vii) Answer : CLXXV

viii) Answer : CXCVII

11.

i) Answer : 29

ii) Answer : 45

iii) Answer : 89

iv) Answer : 99

v) Ans : 165

12.

Population Of Arga In 2001 : 36,20,436

Population Of Aligarh In 2001 : 29,92,286

Therefore Total Population Of Both Two Districts In The Year 2001 Is :

= ( 36,20,436 + 29,92,286 )

= 66,12,722

Answer : Total Population Of Both Two Districts In The Year 2001 Is 66,12,722

13.

i) Answer : 2,64,91,400

ii) Answer : 2,64,00,000

14.

a) Answer : 1 Crore

b) Answer : 1 Million

c) Answer : 1000 mm

d) Answer : 0.01 m

e) Answer : 1000 m

f) Answer : 1000 mg

g) Answer : 1000 ml

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