NTPC CBT-2 QUANT QUIZ

Attempt now to get your rank among 10 students!

Question 1:

What is the area of a circle inscribed in a square of area $1764 \mathrm{~cm}^{2}$ ?

Question 2:

The average of 32 observations is 38 . If 7 is added to each observation what will be new mean-

Question 3:

Of the three numbers, the first is twice the second and is half of the third. If the average of these numbers is 56, the numbers in order are:

Question 4:

4 years hence, the ratio of ages A and B will be $5: 7$ and 6 years hence, the ratio of ages will be $11: 15$, then find their present ages.

Question 5:

Numbers of boys and girls in a class are 130 and 156 respectively. Average Age of girls and boys are $14.5$ years and $13.4$ years respectively. The average age (in years) of all boys and girls is

Question 6:

If the price of a shirt is first decreased by $20 \%$ and then increased by $25 \%$ the net change in the price of the shirt will be :-

Question 7:

A sum of Rs. 725 amounts to Rs. 899 in 2 years. What will it amount to if the rate of interest is increased by 2% ?

Question 8:

$\mathrm{A}$ can do a piece of work in 10 days while $\mathrm{B}$ can do the same work in 12 days and $\mathrm{C}$ can do the same work in 15 days. In how many days together they can complete the work?

Question 9:

Water flows at a rate of 10 metres per minute from a cylindrical pipe $5 \mathrm{~mm}$ in diameter. How long will it take to fill up a conical vessel whose diameter at the base is $40 \mathrm{~cm}$ and depth is $24 \mathrm{~cm} ?$

Question 10:

HCF of $\frac{12}{5}, \frac{21}{6}, \frac{9}{4}$ and $\frac{18}{3}$ is :