RRB GROUP D QUANT QUIZ

Question 1:

The cost Price and selling price of an article is 8:9. The gain percent is :

$16 \%$

$18.5\%$

$12.5\%$

$11 \frac{1}{9} \%$

Question 2:

Raj and Simran together can complete a task in 18 days Raj alone can complete the same task in 30 days. How many days will Simran alone take to complete the same task?

36

45

54

60

Question 3:

The centroid of an equilateral triangle $\triangle A B C$ is O . If $A B=27 \mathrm{~cm}$, then the length of $A O$ is:

$9 \sqrt{3} \mathrm{~cm}$

$6 \sqrt{3} \mathrm{~cm}$

$7 \sqrt{3} \mathrm{~cm}$

$8 \sqrt{3} \mathrm{~cm}$

Question 4:

Find the value of $\sin 45^{\circ}+\cos 60^{\circ}$ ?

$\frac{1+\sqrt{2}}{2}$

$\frac{2+\sqrt{2}}{2}$

$\frac{2+\sqrt{3}}{2}$

$\frac{2-\sqrt{3}}{2}$

Question 5:

Direction : What will come in place of question mark (?) in the following equations?

$924 \times 0.75+848 \times 1.25=? \times 0.25$

7004

7008

7012

7016

Question 6:

Two dice are thrown simultaneously. The probability of the sum of the numbers appearing on them is not prime is.

$\frac{11}{12}$

$\frac{7}{12}$

$\frac{5}{12}$

$\frac{1}{12}$

Question 7:

Direction : What approximate value should come in place of question mark (?) in the following equations?

$(2.38 \%$ of 743$) \times(1.84 \%$ of 588$)=$ ?

190

290

390

490

Question 8:

If for some $\theta$ lying between $0^{\circ}$ and $90^{\circ}, \tan \theta=1$, then what is the value of $\sin ^{2} \theta-2 \sin \theta \cos \theta ?$

$-1$

0

$\frac{1}{2}$

$-\frac{1}{2}$

Question 9:

Two number are respectively $25 \%$ and $50 \%$ more than a third number. then the ratio of two number is

2:3

5:6

6:7

6:5

Question 10:

A bag contains an equal number of 20 paisa, 25 paisa, 50 paisa and 5 paise coins respectively. If the total amount is 400, how many coins of each type are there?

450

550

400

300