#### Algebra - One Mark Questions

7th Standard EM

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Maths

Time : 00:30:00 Hrs
Total Marks : 15
5 x 1 = 5
1. An algebraic statement which is equivalent to the verbal statement “Three times the sum of x and y” is

(a)

3(x + y)

(b)

3 + x + y

(c)

3x + y

(d)

3 + xy

2. Choose the pair of like terms

(a)

7p, 7x

(b)

7r, 7x

(c)

−4x, 4

(d)

−4x, 7x

3. The generalization of the number pattern 3, 6, 9, 12,… is

(a)

n

(b)

2n

(c)

3n

(d)

4n

4. The solution of 3x + 5 = x + 9 is

(a)

2

(b)

3

(c)

5

(d)

4

5. The equation y + 1 = 0 is true only when y is

(a)

0

(b)

-1

(c)

1

(d)

-2

6. 5 x 1 = 5
7. The variable in the expression 16x − 7 is _________

()

x

8. The constant term of the expression 2y − 6 is ________

()

-6

9. In the expression 25m + 14n, the type of the terms are ________ terms.

()

unlike

10. The number of terms in the expression 3ab + 4c –9 is ________.

()

three

11. The numerical co-efficient of the term −xy is ________.

()

-1

12. 5 x 1 = 5
13. x + ( −x) = 0

(a) True
(b) False
14. The co-efficient of ab in the term 15abc is 15.

(a) True
(b) False
15. 2pq and − 7qp are like terms

(a) True
(b) False
16. When y = −1, the value of the expression 2y − 1 is 3

(a) True
(b) False
17. The expressions 8x + 3y and 7x + 2y can not be added.

(a) True
(b) False