2131.
If price of an article increases successively by 15% and 10%, respectively, then what is the percentage equivalent to a single
price increase of that article?
(A)
(B)
(C)
(D)
2132.
The price of an article is first increased by 40% and then decreased by 45%, due to reduction in sales. Find the net
percentage change in the final price of the article.
(A)
−23%
(B)
23%
(C)
13%
(D)
−13%
2133.
A and B, working together, take 15 days to complete a piece of work. If A alone can do this work in 18 days, then how long
would B take to complete the same work?
(A)
33 days
(B)
90 days
(C)
8 days
(D)
15 days
2134.
What is the number which needs to be added to 20% of 460 to have the sum as 70% of 920?
(A)
926
(B)
762
(C)
552
(D)
335
2135.
If 35 is the mean proportional of 25 and x, then what is value of x?
(A)
46
(B)
47
(C)
49
(D)
48
2136.
If the side of a square is increased by 5%, then the percentage increase in its area will be:
(A)
(B)
(C)
(D)
2137.
From the salary of a software engineer, if 15% is used as house rent, 25% of the remaining is spent on household items, 25%
of the remaining as income tax, and 15% of the remaining on clothing, then he is left with ₹10,404. Find his total salary.
(A)
₹22,600
(B)
₹24,600
(C)
₹25,600
(D)
₹23,600
2138.
Two equal circles are drawn on a square in such a way that opposite side of the square forms the diameter
of each circle. If the remaining area of the square is 42 cm2, what is the measurement (in cm) of the
diameter of each circle?
(A)
3.5
(B)
2.5
(C)
14
(D)
7
2139.
If the brick size is 25 cm×12 cm×9 cm, then how many bricks are required to construct a wall of length 10 m, breadth 22.5 cm
and height 6 m?
(A)
6000
(B)
4500
(C)
5000
(D)
8000
2140.
The distance between the centres of two circles of radii 4 cm and 2 cm is 10 cm. The length (in cm) of a transverse common
tangent is:
