CSS General Science and Ability MCQS Set 2

Find the least number which when decreased by 11 is divisible by 14, 15, 21, 32 and 60.

4371

3360

3371

3271

Coding & Decoding

9873

9387

9738

9378

In circle of radius 5 cm, AB and AC are two equal chords such that AB = AC = 6 cm. What is the length of the chord BC ?

11 cm

9.6 cm

9 cm

12 cm

Number Series Test

122

134

128

142

If each bag of tokens weighs 5 3/4 lb, how many pounds do 3 bags weigh ?

15 3/4 lb

17 1/4 lb

16 1/2 lb

17 1/2 lb

If a : b = 2 : 5, then the value of (2a + 3b) : ( 7a + 5b) is

31/19

19/31

19/39

99/13

Number Series Test

1/40.25

1/10.25

1/6.25

1/16.25

If a/a+b = 17/23, what is a+b/a-b equal to ?

23/17

43792

17/32

23/11

Number Series Test

11

18

13

17

A mixture contains alcohol and water in the ratio of 12 : 5. On adding 14 litres of water, the ratio of alcohol to water becomes 4 : 3. The quantity of alcohol in the mixture is

None of these

18 litres

24 litres

26 litres