CSS General Science and Ability MCQS Set 5

The average height of 30 boys out of a class of 50, is 160 cm. If the average height of the remaining boys is 165 cm, the average height of the whole class (in cm) is:

161

164

163

162

Which of the following is equivalent to 3x² – x < 2 ?

-1 < x < 3/2

– 3/2 < x < 1

-1 < x < 2/3

– 2/3 < x < 1

The L.C.M. of 3, 2.7 and .09 is:

2.7

27

0.027

0.27

86.04/4000 is equal to:

0.10215

0.21015

0.15201

0.02151

Number Series Test

49

17

16

18

An angle is equal to one-third of its supplement. Its measure is equal to

40^o

55^o

45^o

50^o

Find the greatest number of five digits which when divided by 8,9 and 10 leaves 3 as remainder in each case.

99996

None of these

99983

99723

If 1/8 of a pencil is black, 1/2 of the remaining is white and the remaining 3 1/2 cm is blue, then the total length of pencil is

7 cm

8 cm

6 cm

11 cm

Find the cube root of 512/3375

None of these

16/25

43692

43814

Number Series Test

15

9

2

12