Simplification(Quantitative Aptitude ) Questions and Answers
Question 1.
If \(\frac{2X}{1+\frac{1}{1+\frac{X}{1-X}}}\) = 1 find the value of “x”
1
\(\frac{2}{3}\)
\(\frac{3}{4}\)
none of these
Explanation:-
Answer: Option B. -> \(\frac{2}{3}\)
Question 2.
If \(\frac{a}{b}=\frac{3}{4}}\)and 8a + 5b =22 then find the value of a .
1
1.5
2
2.5
Explanation:-
Answer: Option B. -> 1.5
Question 3.
If 2x + 3y + z = 55, x + z – y = 4 & y – x + z = 12 find x,y & z.
7, 11, 8
11, 8, 7
8, 7, 11
none of these
Explanation:-
Answer: Option A. -> 7, 11, 8
Question 4.
A student was asked to solve the fraction \(\frac{\frac{7}{3}+1\frac{1}{2 }of \frac{5}{3}}{2+1\frac{2}{3}}\) and his answer was \(\frac{1}{4}\) . By how much was his answer wrong
1
\(\frac{1}{55}\)
\(\frac{1}{220}\)
none of these
Explanation:-
Answer: Option D. -> none of these
Question 5.
Find the value of 0.008 x 0.01 x 0.0072 ÷ ( 0.12 x 0.0004)
0.011
0.012
0.013
0.014
Explanation:-
Answer: Option B. -> 0.012
Question 6.
If \(\frac{a}{x}+\frac{y}{b}\) = 1 & \(\frac{b}{y}+\frac{z}{c}\) = 1 then find \(\frac{x}{a}+\frac{c}{z}\)
0
1
2
none of these
Explanation:-
Answer: Option B. -> 1
Question 7.
If \(\frac{a}{3}=\frac{b}{4}=\frac{c}{7}\) then find the value of \(\frac{a+b+c}{c}\)
1
2
3
4
Explanation:-
Answer: Option B. -> 2
Question 8.
If 4x + 5y = 83 and \(\frac{3x}{2y}=\frac{21}{22}\) then y – x = ?
2
3
4
5
Explanation:-
Answer: Option C. -> 4
Question 9.
Income of a company double after every one year .If the initial income was Rs 4 lakhs what would be the income after 5 years.
Rs. 1.18 crores
Rs. 1.28 crores
Rs. 1.38 crores
Rs. 1.48 crores
Explanation:-
Answer: Option B. -> Rs. 1.28 crores
Question 10.
On sports day ,if 30 children were made to stand in a column then 16 columns could be formed .If 24 children were made to stand in a column. Then how many columns could be formed