Percentage - Quantitative Aptitude (MCQ) questions for Q. 39

Q.  2 students gave an examination. One of them scored 9 marks more than other and his marks were 56% of the sum of total of both their marks. What are their individual marks?
- Published on 19 Oct 15

a. 42,33
b. 42,36
c. 44,33
d. 44,36

ANSWER: 42,33
 
Let marks of one of the students be X.

The marks of the other will be X+9

According to question, X+9 = 56% of X+ (X+9)

Solving, X + 9 = 56/100* (2X + 9)

=> 25X + 225 = 28X + 126

=> 3X = 99

=> X = 33

Marks of one are 33, while of the other are 33+9 = 42.

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