1. In an examination it is required to get 36% of the aggregate marks to pass. A student gets 198 marks and is declared failed by 36 marks. What is the maximum aggregate marks a student can get?

(1) 550

(2) 650

(3) 480

(4) Cannot be determined

(5) None of these

Answer & Explanation

Answer:- 2

Explanation :-

pass marks=198+36=149

Therefore 36% of the total marks =234

total marks =234*100/36=650 marks

2. The difference between 40% of a number 28% of the same number is 198. What is 64% of that number?

(1) 1122

(2) 1065

(3) 105

(4) 1023

(5) None of these

Answer & Explanation

Answer:- 5

Explanation :-

Answer & Explanation

Difference between 40% And 28% =198

Therefore , (40-28)% of a Number=198

12% of a number=198

64% of a number =(198/12)*64=1056

3. 75% of a number is equal to three-seventh of another number. What is the ratio between the first number and the second number respectively?

(1) 7 : 4

(2) 5 : 7

(3) 4 : 7

(4) 6 : 7

(5) None of these

Answer & Explanation

Answer:- 3

Explanation :-

Let the two numbers be x and y

75% of x=3/7 of y

Therefore

(75/100)x=(3/7)*y

x/y=(3*100)/(7*75)

x/y=4/7