R. Gupta Solutions for Exercise 4: MULTIPLE CHOICE QUESTIONS

If a person takes as much time in running $20$ metre as a car takes in covering $50$ m. The distance covered by the person during the time car covers $1$ km is:

A motorist travels a distance of $10 \mathrm{km}$ at a speed of $50 \mathrm{km}/\mathrm{h}$ in the onward journey and $60 \mathrm{km}/\mathrm{h}$ while.returning. His average speed is:

On a tour a man travels at the rate of $35 km$ an hour for the first $160 km$, then travels the next $160 km$ at the rate of $45 km$ an hour. What is the average speed in km per hour for the first $320 km$ of the tour(in km/h)?

X and Y are $15$ km apart. X can walk at the speed of $14$ km/hr and Y at the speed of $16$ km/hr. They start walking towards each other at $7$ a.m. At what time will they meet:

A train $600$ metre long is running with a speed of $54 \mathrm{km}/\mathrm{hr}$. In what time will it pass a tunnel $200$ metre long?

A man travels $\frac{3}{4}$th of the distance of his journey by bus, $\frac{1}{6}$th by rickshaw and $4$ km on foot. How many km does he travel in the journey?

A man walks from his house at an average speed of $5$ km/hr and reaches his office $6$ minute late. If he walks at an average speed of $6$ km/hr he reaches $2$ minute early. What is the distance of the office from his house?

If a man can row $30$ km downstream and $18$ km upstream, each in $3$ hours, what is the speed of boat in still water?