If \(\frac{{x + 1}}{{x - 1}}{ \text{ = }}\frac{a}{b} \) and \(\frac{{1 - y}}{{1 + y}}{ \text{ = }}\frac{b}{a}{ \text{,}} \) then the value of \(\frac{{x - y}}{{1 + xy}}\) = ?
\(\frac{{2ab}}{{{a^2} - {b^2}}}\)
\(\frac{{{a^2} - {b^2}}}{{2ab}}\)
\(\frac{{{a^2} + {b^2}}}{{2ab}}\)
\(\frac{{{a^2} - {b^2}}}{{ab}}\)
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?
Solution |
2
Discuss
|
In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?
Solution |
3
Discuss
|
If \(\left( {x - \frac{1}{x}} \right){ \text{ = }}\sqrt {21} { \text{,}} \) then the value of \(\left( {{x^2} + \frac{1}{{{x^2}}}} \right) \left( {x + \frac{1}{x}} \right)\) is = ?
Solution |
4
Discuss
|
If 547.527/0.0082 then the value of 547527/82 is = ?
Solution |
5
Discuss
|
Solve 4376 + 3209 - 1784 + 97 = 3125 + ?
Solution |
6
Discuss
|
The square root of \(\frac{{0.342 \times 0.684}}{{0.000342 \times 0.000171}} = ?\)
Solution |
7
Discuss
|
3/5 of 4/7 of 5/9 of 21/24 of 504 = ?
Solution |
8
Discuss
|
If 12 + 22 + 32 + . . . . . + p2 = \(\left[ {\frac{{{ \text{p}}\left( {{ \text{p}} + 1} \right)\left( {2{ \text{p}} + 1} \right)}}{6}} \right]{ \text{,}}\) then 12 + 32 + 52 + . . . . . + 172 is = ?
Solution |
9
Discuss
|
(4 / 5) × ? × (3 / 7) = (16 / 105)
Solution |
10
Discuss
|
Find the value of \(\frac{{{{\left( {0.75} \right)}^3}}}{{1 - 0.75}} + \left[ {0.75 + {{\left( {0.75} \right)}^2} + 1} \right]\)
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved