Tick the correct option in the following multiple choice questions.

i) The angles of a quadrilateral are in ratio 2:3:5:8. The smallest angle is:

a) 60 b) 40 c) 20 d) 50

ii) Which of the following rational number is in standard form:

a)-14/30 b) 6/-7 c) -39/125 d) -21/78

iii) When a certain number is added to the numerator of 9/17. the new

fraction is 5/7. The number is :

a)10 b) 9 c) 11 d) (-1)

iv) A boy gets 3 marks for each correct sum and loses 2 marks for each

incorrect sum. He does 24 sums and obtained 37 marks. The number of

correct sums were :

a)20 b)17 c)31 d)19

i) 2 + 3 + 5 + 8 = 18

The smallest seems to 2

so 2/18 * 360 = 40

**So option b is correct which is 40.**