DELHI POLICE CONSTABLE QUANT QUIZ

Question 1:

Two poles of height $36 \mathrm{~m}$ and $20 \mathrm{~m}$ are connected by a wire. If the wire makes an angle of $30^{\circ}$ with the horizontal, then find the length of the wire?

$\frac{32}{\sqrt{3}} \mathrm{~m}$

$32 \mathrm{~m}$

$16 \frac{\sqrt{3}}{2} \mathrm{~m}$

$20 \sqrt{3} \mathrm{~m}$

Question 2:

Solve: $\frac{14 \times 8-8 \times 13}{23 \times 11+11}=?$

33

$\frac{1}{33}$

$\frac{2}{33}$

$\frac{1}{11}$

Question 3:

Find the value of$\sqrt{602 \times 603 \times 604 \times 605+1}$

364211

364311

364111

36211

Question 4:

Ratio of sides of a triangle is $17: 8: 15$, If perimeter is $96 \mathrm{~cm}$ then find the area of triangle.

$329.6 \mathrm{~cm}^{2}$

$324.6 \mathrm{~cm}^{2}$

$336.6 \mathrm{~cm}^{2}$

$345.6 \mathrm{~cm}^{2}$

Question 5:

A boat covered a distance of $18 \mathrm{~km}$ upstream in 6 hours and a distance of $49 \mathrm{~km}$ down stream in 7 hours. The speed of a stream in $\mathrm{km}$.

2

3

5

4

Question 6:

If 29% are the passing marks, A student gets 163.4 marks and fails by 77.3 marks. What were the maximum marks?

790

810

830

850

Question 7:

Arun marks up the computer at $20 \%$ profit and sells them at a discount of $15 \%$ Arun's net gain percent is:

4 %

2 %

$3.5$ %

$2.5$ %

Question 8:

The height of an equilateral triangle is 6 cm. The area of triangle is :

$15 \sqrt{3}$

$32 \sqrt{3}$

$12 \sqrt{3}$

$17 \sqrt{3}$

Question 9:

The average weight of $39$ students of a class is $40 \mathrm{~kg}$. If the weight of class teacher is added the average increases by $500 \mathrm{gm}$. Find the weight of the class teacher.

$55 \mathrm{~kg} $

$60 \mathrm{~kg} $

$62 \mathrm{~kg} $

$65 \mathrm{~kg} $

Question 10:

The ratio of the current ages of Ram and Mahesh is $4: 5 .$ After four years the ratio of their ages become $14: 17$. Then find the present age of Ram.

24 years

22 years

26 years

20 years