NTPC CBT 2 QUANT QUIZ

Question 1:

If $\operatorname{Cot} x=\frac{5}{12}$, then $\operatorname{Sin} x+\frac{1}{\operatorname{Cot} x}+\operatorname{Sec} x=?$

$\frac{173}{13}$

$\frac{77}{13}$

$\frac{75}{13}$

$\frac{17}{13}$

Question 2:

A women invests Rs.200 at the start of each year at 5% compound interest per annum . How much will her investment be at the end of 2nd years?

431

430.5

435

430

Question 3:

A man invested an amount of ₹15,000 at a certain rate of interest per annum to obtain a total amount of ₹24600 in 8 years at simple interest. What will be the rate of interest to obtain the given amount?

9

12

8

1

Question 4:

If $10 \%$ of $120 \%$ of $0.75 \%$ of $X$ is 225 . Then find the value of $\sqrt{X}$.

400

550

500

450

Question 5:

The average of four consecutive even numbers is 39. Find the sum of the largest number and the smallest number among these numbers.

68

78

58

98

Question 6:

Mr. Dev sold a bus for Rs. 2210 with a loss of 15%. At what price should the bus be sold to get a profit of 15% ?

Rs.2980

Rs.3000

Rs.2970

Rs.2990

Question 7:

A shopkeeper cheats to the extent of 22% while buying and selling the fruits, by using tempered weights. His total gain in percent is :

48.5

56.41

48.25

48.75

Question 8:

Two pipes A and B can fill a tank in 12 h and 16 h respectively. Starting from the first pipe A, they are opened alternately for 1 h. In how many hours will 75% of the tank be filled?

12 h

15 h 10 min

8 h

10 h 15 min

Question 9:

Find the median of the following data.

$5,7,6,9,8,5,4,12,13,6,9,8,11,6,8$

8

7

15

9

Question 10:

Simplify : 3x (x + 4) – x (x - 2)

$2 x^{2}+14 x$

$4 x^{2}-14 x$

$4 x^{2}+14 x$

$2 x^{2}-14 x$