A car driver decided to drive his car at a speed of 60km/hr in the hope of covering a distance of 30km in 30 minutes. But half way through he found that his speed was only 30 km/hour. What should be his speed in the second half of his journey if he has to complete his journey at an average speed of 60km/hour?
There are 50 students in a class. If the rank of a student from top is 11, what is his rank from below?
My age was three times the age of my son ten years ago. If my son’s age is 23 years now, what is my age?
10 goats jump over a fence one after the other in 10 minutes. Then how many goats will jump over the same fence at the same rate in one hour?
In a box, there are 10 white socks and 16 black socks. What is the minimum number of socks that a blindfolded man should take out to get one pair?
A book costs three times a pen in rupees. The two digits of the total price when added will be. What is the price of the pen?
