#### Term 2 Algebra Model Question Paper

7th Standard

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 50
5 x 1 = 5
1. The exponential form of 72 is

(a)

72

(b)

27

(c)

22 × 33

(d)

23 × 32

2. Observe the equation (10 + y)4 =50625 and find the value of y.

(a)

1

(b)

5

(c)

4

(d)

0

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

(a)

2

(b)

5

(c)

0

(d)

1

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.
54

8. Find the value of the following.
93

9. Express each of the following numbers using exponential form.
512

10. Express each of the following numbers using exponential form.
343

11. Simplify the following.
52 ×104

12. 5 x 3 = 15
13. Express the following numbers in exponential form with the given base:
1000, base 10

14. Express the following numbers in exponential form with the given base:
512, base 2

15. Which is greater 34 or 43?

16. Expand a3b2 and a2b3. Are they equal?

17. Simplify using quotient rule of exponents.
$\frac { { 6 }^{ 4 } }{ { 6 }^{ 0 } }$

18. 4 x 5 = 20
19. Find the unit digit of the following exponential numbers:
2523

20. Find the unit digit of the following exponential numbers:
81100

21. Find the unit digit of the large numbers:
6410

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