 Home
 Quantitative
 English
 Reasoning
 IT Officer
 Programming

Computer
 Computer Awareness Questions Answers  Set 1
 Computer Awareness Questions Answers  Set 2
 Important Abbreviations Computer Awareness Questions Answers
 Important File Extensions Questions Answers
 Computer System Architecture Questions Answers
 MS Office Questions Answers
 MS Excel Questions Answers
 MS PowerPoint Questions Answers

GK
 Geography Questions Answers
 Indian History Questions Answers
 World History Questions Answers
 Indian Economy Questions Answers
 Indian Polity and Constitution
 Physics Questions Answers
 Chemistry Questions Answers
 Biology Questions Answers
 First In India
 First In World
 Longest and Largest
 Books and Authors
 Important Days of year
 Countries and Capitals
 Inventions and Inventors

Current Affairs
 Current Affairs
 Current Affairs 2016
 Current Affairs 2016  2017 PDF
 Current Affairs August 2017
 Current Affairs July 2017
 Current Affairs June 2017
 Current Affairs May 2017
 Current Affairs April 2017
 Current Affairs March 2017
 Current Affairs February 2017
 Current Affairs January 2017
 Current Affairs December 2016
 Current Affairs November 2016
 Current Affairs October 2016
 Current Affairs September 2016
 Current Affairs August 2016
 Govt Jobs
 Exams
 Online Quiz
 You are here
 Home
 Quantitative Aptitude
 Arithmetic Aptitude Questions Answers
 Area Questions Answers
 Aptitude Question
 Current Affairs 2017
 Current Affairs 2016
 Current Affairs December 2016
 Current Affairs November 2016
 Current Affairs October 2016
 Current Affairs September 2016
 Current Affairs August 2016
 Current Affairs July 2016
 Current Affairs June 2016
 Current Affairs May 2016
 Current Affairs April 2016
 Current Affairs March 2016
 Current Affairs February 2016
 Current Affairs January 2016
 Current Affairs 2016
 Current Affairs 2015
 Current Affairs January 2015
 Current Affairs February 2015
 Current Affairs March 2015
 Current Affairs April 2015
 Current Affairs May 2015
 Current Affairs June 2015
 Current Affairs July 2015
 Current Affairs August 2015
 Current Affairs September 2015
 Current Affairs October 2015
 Current Affairs November 2015
 Current Affairs December 2015
 Current Affairs 2015
 Current Affairs PDF
 Current Affairs PDF Download
 Current Affairs August 2016 PDF
 Current Affairs September 2016 PDF
 Current Affairs October 2016 PDF
 Current Affairs November 2016 PDF
 Current Affairs December 2016 PDF
 Current Affairs January 2017 PDF
 Current Affairs February 2017 PDF
 Current Affairs March 2017 PDF
 Current Affairs April 2017 PDF
 Current Affairs May 2017 PDF
 Current Affairs June 2017 PDF
 Current Affairs July 2017 PDF
Question Detail
The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
 32%
 34%
 42%
 44%
Answer: Option D
Explanation:
Let original length = x metres and original breadth = y metres.
\begin{aligned}
\text{Original area } = \text{xy } m^2 \\
\text{New Length }= \frac{120}{100}x = \frac{6}{5}x \\
\text{New Breadth }= \frac{120}{100}y = \frac{6}{5}y \\
=>\text{New Area }= \frac{6}{5}x * \frac{6}{5}y \\
=>\text{New Area }= \frac{36}{25}xy \\
\text{Area Difference} = \frac{36}{25}xy  xy \\
= \frac{11}{25}xy \\
Increase \% = \frac{Differnce}{Actual}*100 \\
= \frac{11xy}{25}*\frac{1}{xy}*100 = 44\%
\end{aligned}
1. 50 square stone slabs of equal size were needed to cover a floor area of 72 sq.m. Find the length of each stone slab.
 110 cm
 116 cm
 118 cm
 120 cm
Answer: Option D
Explanation:
Area of each slab =
\begin{aligned}
\frac{72}{50}m^2 = 1.44 m^2\\
\text{Length of each slab =}\sqrt{1.44} \\
= 1.2m = 120 cm
\end{aligned}
2. There is a plot which is rectangular in shape and it area is 460 square metres. What will be breadth of the plot if length of plot is 15% more than the breadth of plot ?
 8 mtr
 10 mtr
 15 mtr
 20 mtr
Answer: Option D
Explanation:
\begin{aligned} l*b = 460 m^2 \end{aligned} .. (i)
Lets suppose breadth of plot is = b rnLength will be,\begin{aligned}l=b*\frac{100+15}{100}\\=\frac{115b}{100}\end{aligned} .. (ii)
From (i) and (ii), we get :
\begin{aligned}
\frac{115b}{100}*b = 460 \\
b^2 = \frac{46000}{115} = 400 \\
=> b = \sqrt{400} = 20 meter
\end{aligned}
3. The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is :
 22 cm
 20 cm
 18 cm
 10 cm
Answer: Option C
Explanation:
\begin{aligned}
\text{Area of triangle, A1 = }\frac{1}{2}*base*height \\
= \frac{1}{2}*15*12 = 90 cm^2 \\
\text{Area of second triangle =} 2*A1 \\
= 180 cm^2 \\
\frac{1}{2}*20*height = 180 \\
=> height = 18 cm
\end{aligned}
4. The area of rhombus is 150 cm square. The length of one of the its diagonals is 10 cm. The length of the other diagonal is:
 15 cm
 20 cm
 25 cm
 30 cm
Answer: Option D
Explanation:
We know the product of diagonals is 1/2*(product of diagonals)
Let one diagonal be d1 and d2
So as per question
\begin{aligned}
\frac{1}{2}*d1*d2 = 150 \\
\frac{1}{2}*10*d2 = 150 \\
d2 = \frac{150}{5} = 30 \\
\end{aligned}
5. If the area of a square with the side a is equal to the area of a triangle with base a, then the altitude of the triangle is.
 a
 a/2
 2a
 None of above
Answer: Option C
Explanation:
\begin{aligned}
\text{We know area of square =}a^2 \\
\text{Area of triangle =}\frac{1}{2}*a*h \\
=> \frac{1}{2}*a*h = a^2 \\
=> h = 2a
\end{aligned}
Videos @mastguru
 Copyright 2014  All rights reserved
 Terms Of Use & Privacy Policy
 Copyright
 Contact Us