Interview Maths Puzzle Numerical Ability Ratio and Proportion

The ratio of the number of gents to ladies in a party was 2:3. When 20 more gents joined the group, the ratio was reversed. The number of ladies in the party was

Read Solution (Total 2)

Ans=24

G/L=2/3 => 2L - 3G = 0 ---(i) and
(G+20)/L=3/2 => 3L - 2G = 40 ---(ii)
Solving (i) & (ii), G=16, L=24
Therefore, number of ladies in the party was 24.
5 years agoHelpfull: Yes(0) No(0)

24
inital gents = 2x
initial ladies = 3x
2x+20 : 3x = 3:2
=> 5x = 40
Therefore, x= 8
ladies = 3x = 3 * 8 = 24
4 years agoHelpfull: Yes(0) No(0)

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