(a) \(\frac { x }{ 2 } \) = 10     (i) x = 4
(b) 20 = 6x – 4   (ii) x = 1
(c) 2x – 5 = 3 – x  (iii) x = 20
(d) 7x – 4 – 8x = 20  (iv) x = \(\frac { 8 }{ 3 } \)
(e) \(\frac { 4 }{ 11 } \)- x = \(\frac { -7 }{ 11 } \)   (v) x = –24

(a)

(i), (ii), (iv), (iii), (v)

(b)

(iii), (iv), (i), (ii), (v)

(c)

(iii), (i), (iv), (v), (ii)

(d)

(iii), (i), (v), (iv), (ii)

Sum of a number and its half is 30 then the number is______.

(a)

15

(b)

20

(c)

25

(d)

40

The exterior angle of a triangle is 120° and one of its interior opposite angle 58°, then the other opposite interior angle is________.

(a)

62°

(b)

72°

(c)

78°

(d)

68°

What sum of money will earn Rs.500 as simple interest in 1 year at 5% per annum?

(a)

50000

(b)

30000

(c)

10000

(d)

5000

The product of LCM and HCF of two numbers is 24. If one of the number is 6, then the other number is ________.

(a)

6

(b)

2

(c)

4

(d)

8