RRB Junior Engineer Stage 1 Model Papers 1

Question : 7 of 100

Marks: +1, -0

Find a simple discount equivalent to a discount series of 10%, 20% and 25%

Solution:

10{──🢖}↖{10%}90{──🢖}↖{20%}72{──🢖}↖{25%}54

Required single discount

= (100 – 54)% = 46%

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