A certain amount $x$ was deposited for $4$ years and $3$ months at $3\%$ simple interest and amounts to $₹5412$. Then $x$ is equal to

Sanjay needs to earn a monthly interest of $₹80$. The interest rate is $15\%$ per annum but it is paid every month. Which of the following is his investment?

Ajay says to Bharat, "I am $4$ times as old as you were when I was as old as you are". The difference of their present ages is $15$ years, then the age of Bharat at present is

A train running at a speed of $54 \mathrm{km}/\mathrm{h}$ takes $12 \mathrm{s}$ to pass a certain point. Then, the length of the train is 

An employee goes to his office from his home at a speed of $33 \mathrm{km}/\mathrm{h}$. If he takes $2 \mathrm{h} 10 \min$ for the entire journey. Then, the distance between the house and office is

When the distance between a policeman and a thief is $150 \mathrm{m}$, the policeman starts chasing the thief. The policeman runs at a speed of $18 \mathrm{m}/\mathrm{s}$ and speed of thief is $12 \mathrm{m}/\mathrm{s}$. Policeman catches the thief in

A bus travels from $A$ to $B$ at a speed of $65 \mathrm{km}/\mathrm{h}$ in one hour. If the speed is reduced by $15 \mathrm{km}/\mathrm{h}$, then the extra time taken to cover the same distance is

Two trains of equal length are running on parallel lines in the same direction at the rate of $46 \mathrm{km}/\mathrm{h}$ and $36 \mathrm{km}/\mathrm{h}$. The faster train passes the slower train in $36 \mathrm{s}$, the length of each train is 

Certain distance is covered at a certain speed. If half their distance is covered in doubled the time. The ratio of the two speeds is