model 3 fraction of numbers Practice Questions Answers Test with Solutions & More Shortcuts

Question : 21 [SSC CGL 2002]

A boy on being asked what $6/7$ of a certain fraction was, made the mistake of dividing the fraction by $6/7$ and so got an answer which exceeded the correct answer by $13/70$. Find the fraction–

a) $7/9$

b) $4/5$

c) $3/5$

d) $2/3$

Question : 22 [SSC CGL Prelim 2008]

A boy was asked to find $3/5$ of a fraction. Instead, he divided the fraction by $3/5$ and got an answer which exceeded the correct answer by $32/75$ . The correct answer is

a) $2/15$

b) $2/25$

c) $6/25$

d) $3/25$

Question : 23

Two-third of a positive number and $25/216$ of its reciprocal are equal. The number is

a) $12/5$

b) $144/25$

c) $5/12$

d) $25/144$

Question : 24 [SSC CGL 2002]

$1/2$ of $3/4$ of a number is 2$1/2$ of 10. What is the number?

a) 56

b) 66$2/3$

c) 60

d) 50

Question : 25 [SSC FCI Assistant 2012]

A tree increases annually by $1/8$th of its height. By how much will it increase after 2 years, if it stands today 64 cm high?

a) 81 cm

b) 75 cm

c) 74 cm

d) 72 cm