Percentage 10

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

 

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