Dear PaGaLGuY readers,

As we all know, Quantitative Aptitude or Numerical Aptitude
is an important component of a number of competitive examinations such as the
UPSC Civil Services Examination, Banking Entrance Examinations, SSC CGL/CHSL
Examination, MBA Entrance Examination, Combined Defence Services Examination, etc.
In order to help you practise and improve your quantitative ability, we provide
you this Quantitative Aptitude Quiz.

Given below are a few questions from SSC examinations held in
the last few years. Leave your answers/ responses in the comments section below
and we’ll soon let you know the correct answers!

1.  An alloy
contains copper, zinc and nickel in the ratio of 5 : 3 : 2. The quantity of
nickel in kilogram that must be added to 100 kg of this alloy to have the new
ratio 5 : 3 : 3, is

 (a) 8                        (b) 10                   (c) 12                   (d) 15

2.  The incomes of A, B
and C are in the ratio 7 : 9 : 12 and their expenditures are in the ratio 8 : 9
: 15. If A saves 1/4th of his income, then the savings of A, B and C
are in the ratio of

(a) 69 : 56 : 48            (b) 47 : 74 : 99               (c) 37 : 72 : 49            (d) 56 : 99 : 69

3. Out of 4 numbers whose
average is 60, the first one is one-fourth of the sum of the last three. The
first number is

(a) 1 5                          (b) 45                            (c) 48                     (d) 60

4.  The average
of 25 observations is 13. It was later found that an observation 73 was wrongly
entered as 48.  The new average is

(a) 12.6                      
(b) 14                      (c)
15                   (d) 13.8

5.  If the cost
price of 10 articles is equal to the selling price of 8 articles, then gain
percent is

(a) 10%                       (b) 8%                  (c) 50%                 (d) 25%

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Answers

1(b)     2(d)    
3(c)     4(b)        5(d)