RRB GROUP D QUANT QUIZ

Question 1:

Two pipes P and Q can fill a tank in 24 hours and 32 hours respectively. If both pipes are opened simultaneously, then find the what time should the first pipe be closed so that it takes only 16 hours to fill the tank ?

After 18 hours

After 12 hours

After 15 hours

After 10 hours

Question 2:

Direction : Study the given chart and answer the question.

Number of people living in different village.

What is the difference between the number of males of vilages A, C and D and that of villages B, E and F?

750

1450

550

300

Question 3:

A Car covers $630 \mathrm{~km}$ in $20$ hours. Calculate its average speed in meter/second.

$8.25$

$7.75$

$8.75$

$7.25$

Question 4:

Find the larger diagonal of rhombus whose diagonals are 4 : 5 and area is 160cm² .

20 cm

36 cm

18 cm

30 cm

Question 5:

If $x-y=5$ and $x y=15$, then the value of $x^{3}-$ $\mathrm{y}^{3}$ ?

300

375

350

400

Question 6:

The least number which when divided by $4,6,8,12$ and $16$ leaves a remainder of $2$ in each case is.

46

48

50

56

Question 7:

Mr. Sriram invested Rs. 14,000 in FD. How much will he get on maturity, if he invested it at 20% per annum compound interest for 6 months compounded quarterly?

Rs. 15,437

Rs. 15,434

Rs. 15,436

Rs. 15,435

Question 8:

$8$ boxes of a fruit were purchased for Rs. $9,600. 5$ boxes were sold at a profit of $10 \%$ and 3 boxes were sold at a loss of $10 \%$. What is the net gain in percentage?

$2.75 \%$

$2.5 \%$

$2 \%$

$2.25 \%$

Question 9:

Price of sugar increased by $40 \%$. What percent of price should reduce to get original price?

$14 \frac{1}{7}$

$40$

$28 \frac{4}{7}$

$20$

Question 10:

What should come in place of question mark (?) in the following question ?

$21 \times 2(35-25)+168 \div 6 \div 2-(13)^{2}=?$

270

250

290

265