#### Term 2 Algebra Model Question Paper

7th Standard

Reg.No. :
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Maths

Time : 00:45:00 Hrs
Total Marks : 40
5 x 1 = 5
1. a × a × a × a × a is equal to

(a)

a5

(b)

5a

(c)

5a

(d)

a + 5

2. The unit digit of (32 x 65)0 is

(a)

2

(b)

5

(c)

0

(d)

1

3. The unit digit of the numeric expression 1071 + 1072 + 1073 is

(a)

0

(b)

3

(c)

1

(d)

2

4. The degree of 6x7−7x3 + 4 is

(a)

7

(b)

3

(c)

6

(d)

4

5. If p(x) and q(x) are two expressions of degree 3, then the degree of p(x) + q(x) is

(a)

6

(b)

0

(c)

3

(d)

Undefined

6. 5 x 2 = 10
7. Find the value of the following.
112

8. Find the value of the following.
54

9. Express the following in exponential form.
t × t

10. Express the following in exponential form.
5 × 5 × 7 × 7 × 7

11. Express each of the following numbers using exponential form.
3125

12. 5 x 3 = 15
13. Find the value of
(−7)2

14. Find the value of 23 + 32

15. Which is greater 34 or 43?

16. Simplify using Product Rule of exponents.
25 × 32 × 625 × 64

17. Simplify using power rule of exponents.
(26)2 x (24)7

18. 2 x 5 = 10
19. Find the unit digit of the large numbers:
6410

20. Find the unit digit of the large numbers:
912