Algebra Worksheet-3

Algebra Worksheet-3

1. In value of x is

(a) –12               (b) +36               (c) +12                (d) –36

2. In 6(2a – 1) + 8 = 14, the value of ‘a’ is

(a) –1                  (b)             (c)              (d) + 1

3. 6x – 1 = 2x + 9 value of x

(a)                (b)            (c)                 (d)

4. If six times a number is 48 then the number is

(a) –8                 (b) 1                    (c) 48                  (d) 8

5. Ramu’s father is thrice as old as Ramu. If father’s age is 45 years then Ramu’s age is:

(a) 45 yrs           (b) 30 yrs           (c) 15 yrs            (d) 10 yrs

6. A number is multiplied by 6 and 12 is added to the product. The result is 84. Then the number is

(a) –12               (b) 72                  (c) +12                (d) –72

7. The length of side of an equilateral triangular garden whose perimeter is 66 m is

(a) 66 m             (b) 11 m              (c) 3 m               (d) 22 m

8. In the given figure magnitude of angles shown are

(a) 40º, 135º                                 (b) 45º, 130º

(c) 45º, 135º                                  (d) 180º

9. The length of a rectangle is 12 m and its area is 72 m. Then the breadth equals to

(a) 72 m             (b) 60 m            (c) 6 m               (d) 9 m

10. Ages of two friends are in the ratio 2 : 1. If the sum of their ages is 51 then their ages are

(a) 34 yrs, 20 yrs                          (b) 34 yrs, 17 yrs

(c) 20 yrs, 10 yrs                           (d) 30 yrs, 15 yrs

Answer Key:

1. (c)
2. (d)
3. (d)
4. (d)
5. (c)
6. (c)
7. (d)
8. (c)
9. (c)
10. (b)