RRB GROUP-D QUANT QUIZ

Question 1:

Fresh fruit contain $95 \%$ of water while dry fruit $10 \%$ of water. How much quantity of fresh fruit can yields $3.8 \mathrm{~kg}$ of dry fruit?

$68 \mathrm{~kg}$

$68.3 \mathrm{~kg}$

$68.4 \mathrm{~kg}$

$68.5 \mathrm{~kg}$

Question 2:

If base area of a cylinder increased by $25 \%$, then by what percent height should be reduced to keep volume same?

$20 \%$

$16 \frac{2}{3} \%$

$30 \%$

$14 \frac{2}{7} \%$

Question 3:

A number is increased by $20 \%$ by what percentage increased number should be decreased to get original number?

$10 \%$

$16 \frac{2}{3} \%$

$14 \frac{2}{7} \%$

$25 \%$

Question 4:

A student wants to find $7.5 \%$ of a number. Instead of that he found $6 \%$ of that number and the answer was 300. Find the actual number?

350

375

400

340

Question 5:

If Dividend, Quotient and remainder is respectively 9878,1097 and 5 then find the divisor?

6

9

8

7

Question 6:

Find the unit digit $(9256)^{927}$ ?

6

8

3

5

Question 7:

What will be Quotient if 92,800 is divisible by 4 .

24,200

11,320

23,200

1,192

Question 8:

Find the average of reciprocals of $\mathrm{x}, \mathrm{y}$ and $z:$

$x+y+z$

$\frac{x+y+z}{3}$

$\frac{x y+y z+x z}{3 x y z}$

$\frac{x y+y z+x z}{x y z}$

Question 9:

There are 66 students in a class. Average mark obtained by boys is 57 and average mark obtained by girls is $63 .$ If average marks of obtained by the class is 58, find difference of number of boys and number of girls.

36

44

48

33

Question 10:

The arithmetic mean of $1,2,2,3,3,3,4,4,4,4,5,5,5,5,5,6,6,6,6,6,6,7,7,7,7,7, 7,7 $ is?

4

5

14

20