NTPC CBT 2 QUANT QUIZ

If 25 persons can do a piece of work in 8 days then calculate the number of persons required to complete the work in 40 days.

A and B can do a piece of work in 20 days and 30 days. Both start the work together for some time, but $\mathrm{B}$ leaves the job 5 days before the work is completed. Find the time in which work is finished.

$1+\frac{1}{1+\frac{1}{5}}=?$

Aman has twice as many toffees as Shanti, Shanti has $50 \%$ more toffees than Khushi. If average number of toffees that they have is 165 , then Aman has how many more toffees than Khushi.

Evaluate-

$15 \times 15 \times 15+45^{2}=3^{2} \times $ ?

A discount of $40 \%$ on the marked price of a trouser enables Ajit to purchase a shirt also which costs him Rs $320 .$ How much did Ajit pay for the trouser?

A man sells an article at a profit of $15\%$ If he had sold it for Rs.1450 less he would have lost $5\%$ find the cost price of the article.

find $\frac{\cos ^{3} \theta+3 \cos 2 \theta}{\cos ^{6} \theta-\sin ^{6} \theta}=?$

Find the remainder When $x^{3}+3 x^{2}+3 x+1$ is divided by $5+$ $2 x$.