Percentage Mcqs

Q.  The sum of two numbers is 2490. If 6.5 % of one number is equal to 8.5 % of the other then the numbers are:_________?

a. 989, 1501
b. 1011, 1479
c. 1401, 1089
d. 1411, 1079


ANSWER: See Answer
 
Let the number be x and (2490 – x).

Then 6.5 % of x = 8.5 % of (2490 – x)

=> 6.5/100 × x = 8.5/100 × (2490 – x)

=> 65x/1000 = 85(2490 – x)/1000

=> 65x = (85 × 2490) – 85x

=> 150x =(85 × 2490)

=> x = 211650/150 = 1411

Hence the numbers are 1411 and (2490 – 1411) = 1079
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