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#### 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. When we subtract ‘a’ from ‘-a’, we get _______

(a)

0

(b)

2a

(c)

-2a

(d)

-a

3. In an expression, we can add or subtract only…

(a)

Like terms

(b)

Unlike terms

(c)

All terms

(d)

None of the above

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 subtraction of 5m from −3m is __________

()

-8m

8. The additive inverse of − 37xyz is __________

()

37 xyz

9. An expression equated to another expression is called __________

()

equation

10. If a = 5, the value of 2a + 5 is _____

()

15

11. The sum of twice and four times of the variable x is ______

()

6x

12. 5 x 1 = 5
13. If x is a natural number, then x + 1 is its predecessor.

(a) True
(b) False
14. Sum of a - b + c and -a + b - c is zero.

(a) True
(b) False
15. Every algebraic expression is an equation

(a) True
(b) False
16. The expression 7x + 1 can not be reduced without knowing the value of x.

(a) True
(b) False