If Rakesh’s income exceeds Surinder’s income by 90% and Surinder’s income is less than Sandeep’s income by 10%, then find the ratio of the incomes of Rakesh and Sandeep.
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Correct answer: D
Explanation
The correct answer is option 4 i.e. 171:100.
Let Sandeep’s income = 100
Surinder’s income is 10% less: = 100 − 10 = 90
Rakesh’s income is 90% more than Surinder’s:
= 90 + 0.9 × 90 = 90 + 81= 171
Required ratiov= Rakesh:Sandeep = 171:100