UP LEKHPAL QUANT QUIZ

Pipe P fill the tank in three forth of the time as compared to Pipe Q . Pipe R takes four times to fill it as compared to pipe P. If all the three pipes are opened together they can fill an empty tank in 12 hours . How many hours will it to take to fill the empty tank if pipe P is not tuned on ?

The value of $\sqrt{5+2\sqrt{6}}-\frac{1}{\sqrt{5+2\sqrt{6}}}$ is :

What should come in place of question mark (?) in the following question?

$[(3\times 18\mathrm{\%}$ of 3700$)-({27}^2-40)]=?$

$\mathrm{CP}$ of 10 lemons is equal to SP of 6 articles. While the discount on 6 lemons is equal to the profit earn on 3 lemons. Find the difference between \% of profit and discount?

The speed of car is $36\mathrm{km}/\mathrm{h}$. How much time (in Seconds) will a bus travelling at five times of the speed of the car take to cover a distance of $900\mathrm{m}$ ?

Rs. 9600 is divided in the ratio $9:7$. What is the value of the larger amount?

If $\tan \theta +\cot \theta =2$, then find the value of ${\tan }^2\theta +{\cot }^2\theta$?

A rhombus whose side is $5$ cm and whose height is $4.8$ cm. If one diagonal is $8$ cm long, find the length of the other diagonal.