NTPC CBT-2 QUANT QUIZ

$\frac{\sin A+\sin B}{\cos A-\cos B}+\frac{\cos A+\cos B}{\sin A-\sin B}=?$

What is the value of the expression?

$\frac{(a-b)^{3}+(b-c)^{3}+(c-a)^{3}}{3(a-b)(b-c)(c-a)}=\text { ? }$

If a driver drives a car at 15 m/s then how much distance is covered by him in 3 hours 20 minutes?

A person opens a tea shop with an initial investment of Rs. 25,000. He spends 30% of his money in furnishing his shop and 20% in bringing other necessary things. How much money is he left with for purchasing inventory for his business?

Anurag loses one-seventh of the cost by selling a pen for Rs. 144. If the pen is sold for Rs. 189 , what is the gain percent?

The average number of electronic items sold by a trader in 2004, 2005, 2006 and 2007 is 18950 and that sold in 2005, 2006, 2007 and 2008 is 21725. If the number of items sold in 2008 is 12750, then the number of items sold in 2004 is:

What is the value of $x$, if $25 \%$ of $480+30 \%$ of $500+x \%$ of $90=35 \%$ of $900 ?$

If the number $A 9257 B 684$ is divisible by 11 , then what is the least value of $A-B$ ?

If $3 \cot ^{2} x-7 \operatorname{cosec}^{2} x+7=0$, then the value of $x\left(0 \leq x \leq 90^{\circ}\right)$ is:

Find the area (in $\mathrm{cm}^{2}$ ) and diameter (in $\mathrm{cm}$ ) of a circle whose circumference is $40 \pi \mathrm{cm}$ ?