5 hours 50 minutes
6 hours
6 hours 50 minutes
12 hours 10 minutes
The speed of the train going from Nagpur to Allahabad is 100 km/h while when coming back from Allahabad to Nagpur, its speed is 150 km/h. find the average speed during whole journey.
The square of a number greater than 1000 that is not divisible by three, when divided by three, leaves a remainder of
The square of a positive number is 2000% greater than the number itself, then the square of that number is :
The square root of ((10 + √25)(12 - √49)) is
The sum of ages of 4 children born at intervals of 4 years each is 60. What is the age of the youngest child?
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
The sum of ages of three persons A, B and C together is 167 years. B is 17/12 times as old as A, and C is 44 years older than A. What is the age of B?
The sum of all integers between 200 and 400 divisible by 9 is
The sum of all two digit numbers divisible by 5 is
The sum of both digits of a two digit number is 7. If the digits of the number are interchanged, the number so formed is greater than the original number by 27. Find the original number