RRB GROUP D QUANT QUIZ

Attempt now to get your rank among 11 students!

Question 1:

A water tank has two holes. The 1st hole alone empties the tank in 8 minutes and 2nd hole alone empties the tank in 12 minutes. If water leaks out at a constant rate, how many minutes will it take, if both the holes together empty the tank?

Question 2:

A woman covers $\frac{3}{7}$ of the total journey by bike $\frac{2}{9}$ by train and the remaining $8.8 \mathrm{~km}$ on foot. Her total journey is :

Question 3:

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

$45 \%$ of $240+40 \%$ of $360=? \times 21$

Question 4:

36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?

Question 5:

The product of two numbers is $0.646$. If one of them is $1.7$, what will be the other number?

Question 6:

The LCM and HCF of two number are 72 and 2. The larger number is 2 more than the twice the smaller number. find the multiplication of numbers.

Question 7:

The simple interest is Rs. 1 less than the compound interest on a certain principal for a period of 2 years at $10 \%$ interest. Find the principal..

Question 8:

Refer to the given figure and answer the question that follows.

If $A B$ is parallel to $E C$ and $\angle B C D=72^{\circ}$, then what is the value of $\angle B A C$ ?

Question 9:

The time taken by a boat to travel $13 \mathrm{~km}$ downstream is the same as time taken by it to travel $7 \mathrm{~km}$ upstream. If the speed of the stream is $3 \mathrm{~km} / \mathrm{h}$, then how much time (in hours) will it take to travel a distance of $44.8 \mathrm{~km}$ in still water ?

Question 10:

If the present age of $P$ is 15 years and after 6 years the age of $Q$ will be 26 years, then what is the ratio of their present ages?