RRB GROUP-D QUANT QUIZ

Question 1:

In each of these questions, two equations (I) and (II) are given. You have to solve both the equations and give answer

I. $3 x^{2}+5 x+2=0$

II. $3 y^{2}+18 y+24=0$

if $x>y$

if $x \geq y$

if $x=y$ or relationship between $x$ and $y$ cannot be established

if $x \leq y$

Question 2:

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

400

550

500

450

Question 3:

For which values of $k$, does the equation $x^{2}-k x+2=0$ have real and distinct solutions.

$k<2 \sqrt{2}$ only

$k<-2 \sqrt{2}$ only

$k>-2 \sqrt{2}$ only

$k<-2 \sqrt{2}$ or $k>2 \sqrt{2}$

Question 4:

If $\tan \theta+\cot \theta=2$, then the value of $\tan ^{100} \theta^{+}$ $\cot ^{100} \theta$ is:

2

0

1

$\sqrt{3}$

Question 5:

When a number is divided by 4,5 & 3 successively it gives remainder 3, 2 and 0 respectively, find the number.

71

70

68

48

Question 6:

A single discount equivalent to the following three successive discount of $30 \%, 20 \%$ and $10 \%$ is given by

$50.60 \%$

$49.40 \%$

$50.40 \%$

$49.6 \%$

Question 7:

Ajit and vijay together can complete a piece of work in 18 days and Vijay alone can complete it in 24 days. In how many days can Ajit alone complete the same work?

36

48

60

72

Question 8:

A dealer sold two types of goods for Rs. 10,000 each. On one of them, he lost $20 \%$ and on the other he gained $20 \%$. His gain or loss per cent in the entire transaction was :

$2 \%$ loss

$2 \%$ gain

$4 \%$ gain

$4 \%$ loss

Question 9:

In a triangle if three altitudes are equal, then the triangle is:

Obtuse angle triangle

Equilateral triangle

Right angle triangle

Isosceles triangle

Question 10:

Direction: What should come in Place of Question Mark (?) in the following questions?
$\sqrt[3]{13824}+\sqrt{11025}+\sqrt{3249}-\sqrt{9025}=?$

87

91

67

56