Question

15 The number of revolutions made by a circular wheel of radius 0.7m in rolling a distance

of 176m is

(a) 22 (b) 24 (c) 75 (d) 40

1

16 ∆ABC is such that AB=3 cm, BC= 2cm, CA= 2.5 cm. If ∆ABC ~ ∆DEF and EF =

4cm, then perimeter of ∆DEF is

(a) 7.5 cm (b) 15 cm (c) 22.5 cm (d) 30 cm

1

17 In the figure, if DE∥ BC, AD = 3cm, BD = 4cm and BC= 14 cm, then DE equals

(a) 7cm (b) 6cm (c) 4cm (d) 3cm

1

18 If 4 tanβ = 3, then 4 −3 cos

4 sin +3 cos

=

(a) 0 (b) 1/3 (c) 2/3 (d) ¾

1

19 One equation of a pair of dependent linear equations is –5x + 7y = 2. The second equation

can be

a) 10x+14y +4 = 0 b) –10x –14y+ 4 = 0 c) –10x+14y + 4 = 0 (d) 10x – 14y = –4

1

20 A letter of English alphabets is chosen at random. What is the probability that it is a letter

of the word ‘MATHEMATICS’?

(a) 4/13 (b) 9/26 (c) 5/13 (d) 11/26​

Answer 1

Please refer to the above pictures as I upload it in words as it was don't use rude words.