EduSahara™ Worksheet

Question 1

1.

The sum of first n natural number is

(i)

n

2

(

n

+

1

)

2

4
(ii)

(

n

) (

n

+

1

)

2
(iii)

(

n

) (

n

+

1

) (

2

n

+

1

)

6
(iv)

(

n

−

1

) (

n

+

1

)

2
(v)

(

n

) (

n

−

1

)

2

Question 2

2.

Which of the following numbers is divisible by 8?

(i)

3,752
(ii)

3,753
(iii)

3,751
(iv)

3,750
(v)

3,754

Question 3

3.

Write the expanded form of the given number :
50605

(i)

(5 ✕ 10000) + (6 ✕ 100) + (5 ✕ 1)
(ii)

(6 ✕ 10000) + (6 ✕ 100) + (5 ✕ 1)
(iii)

(4 ✕ 10000) + (6 ✕ 100) + (5 ✕ 1)
(iv)

(5 ✕ 10000) + (6 ✕ 100) + (1 ✕ 10) + (5 ✕ 1)
(v)

(5 ✕ 10000) + (5 ✕ 100) + (5 ✕ 1)

Question 4

4.

Which of the following numbers is divisible by 3?

(i)

7,370
(ii)

7,373
(iii)

7,372
(iv)

7,371
(v)

7,369

Question 5

5.

89,834
=

(i)

80000
+
9000
+
800
+
4
(ii)

80000
+
800
+
30
+
4
(iii)

80000
+
9000
+
30
+
4
(iv)

80000
+
9000
+
800
+
30
+
4
(v)

9000
+
800
+
30
+
4

Question 6

6.

Find the place value of 5 in 591827

(i)

50000000
(ii)

50000
(iii)

500000
(iv)

5000000
(v)

5000

Question 7

7.

1000000 + 400000 + 30000 + 6000 + 400 + 10 + 2
=

(i)

14,26,412
(ii)

14,37,412
(iii)

14,36,312
(iv)

14,36,412
(v)

14,36,512

Question 8

8.

Which of the following numbers is divisible by 11?

(i)

5754
(ii)

5753
(iii)

5752
(iv)

5751
(v)

5755

Question 9

9.

Which of the following numbers is divisible by 5?

(i)

9088
(ii)

9089
(iii)

9091
(iv)

9092
(v)

9090

Question 10

10.

The multiples of 12 =

(i)

{12,24,36,48,60,72,23,11}
(ii)

{12,24,36,48,60,72}
(iii)

{12,24,36,48,60,59}
(iv)

{12,24,36,72,11,23}
(v)

{12,24,36,48,60,72,59}

Question 11

11.

300000 + 90000 + 2000 + 400 + 30 + 8
=

(i)

392428
(ii)

402438
(iii)

392438
(iv)

393438
(v)

391438

Question 12

12.

Write the number for the given expanded form :

"(1 ✕ 100000) + (3 ✕ 10000) + (4 ✕ 1000) + (8 ✕ 100) + (2 ✕ 10)"

(i)

1,34,830
(ii)

1,34,810
(iii)

1,34,820
(iv)

1,33,820
(v)

1,44,820

Question 13

13.

797
=

(i)

700
+
90
(ii)

90
+
7
(iii)

700
+
7
(iv)

700
+
90
+
7

Question 14

14.

Find the total number of factors of
99

(i)

7
(ii)

3
(iii)

9
(iv)

6
(v)

5

Question 15

15.

Which of the following numbers is divisible by 8?

(i)

7401
(ii)

7398
(iii)

7402
(iv)

7399
(v)

7400

Question 16

16.

The factors of 37 =

(i)

{1,37,2}
(ii)

{1,37,2,36}
(iii)

{1,37}
(iv)

{1,36}
(v)

{36,2}

Question 17

17.

Find the difference in place value of 8 in 5,868,192

(i)

792,003
(ii)

791,997
(iii)

791,999
(iv)

792,000
(v)

792,001

Question 18

18.

Find the sum of all natural numbers between 100 and 200 which are multiples of 9?

(i)

1686
(ii)

1683
(iii)

1684
(iv)

1682
(v)

1681

Question 19

19.

5000000 + 900000 + 60000 + 7000 + 700 + 80 + 2
=

(i)

5968782
(ii)

5967772
(iii)

5967792
(iv)

5957782
(v)

5967782

Question 20

20.

2000 + 100 + 20 + 9
=

(i)

2,029
(ii)

2,129
(iii)

2,119
(iv)

2,229
(v)

3,129

Question 21

21.

Find the prime factorization of
3510

(i)

2

✕

3 3

✕

5 2

✕

13
(ii)

2

✕

3 3

✕

5

✕

13
(iii)

2

✕

3 3

✕

5

✕

15
(iv)

2

✕

3 3

✕

4

✕

13
(v)

2

✕

3 3

✕

5

✕

10

Question 22

22.

Which of the following numbers is divisible by 10?

(i)

3,329
(ii)

3,330
(iii)

3,331
(iv)

3,332
(v)

3,328

Question 23

23.

Write the number for the given expanded form :

"(6 ✕ 100000) + (3 ✕ 10000) + (5 ✕ 1000) + (8 ✕ 100) + (5 ✕ 10)"

(i)

635,860
(ii)

635,850
(iii)

635,840
(iv)

645,850
(v)

635,750

Question 24

24.

Which of the following numbers is divisible by 9?

(i)

7417
(ii)

7415
(iii)

7418
(iv)

7416
(v)

7414

Question 25

25.

Which of the following numbers is divisible by 6?

(i)

7937
(ii)

7936
(iii)

7938
(iv)

7940
(v)

7939

Assignment Key