RRB RPF RPSF SI and CONS Model Papers 3 with solutions

Question : 5 of 120

Marks: +1, -0

If two numbers are respectively 20% and 50% of a third number, what is the percentage of the first number to the second ?

Solution:

(d) Let the third number be 100. Then, the first and second numbers will be 20 and 50, respectively.
Required %

= { 20 }/ { 50 } × 100 = 40 \%

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