model 3 fraction of numbers Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

A fraction having denominator 30 and lying between $5/8$ and $7/11$ is–

a) $21/30$

b) $20/30$

c) $19/30$

d) $18/30$

Question : 2

Express 45 minutes as the fraction of one day.

a) $1/24$

b) $1/60$

c) $1/32$

d) $1/40$

Question : 3

$1/10$ of a rod is coloured red, $1/20$ orange, $1/30$ yellow, $1/40$ green, $1/50$ blue, $1/60$ black and the rest is violet. If the length of the violet portion of the rod is 12.08 metres, then the length of the rod is

a) 30 m

b) 20 m

c) 18 m

d) 16 m

Question : 4

A boy was asked to find the value of $3/8$ of a sum of money. Instead of multiplying the sum by $3/8$ he divided it by $3/8$ and then his answer exceeded by Rs.55. Find the correct answer ?

a) Rs.1,320

b) Rs.64

c) Rs.24

d) Rs.9

Question : 5

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

Question : 6

$1/2$ 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