How many numbers from 11 to 50 are there which are exactly divisible by 7 not by 3?
The difference between two numbers is 5 and the difference between their square is 65. What is the smaller number?
A plane traveling at 600 miles per hour is heading for Chittagong airport. At 3.58 pm it was 30 miles from the airport. At what time it will arrive at 600 at the airport?
4.01 pm
4.02 pm
4.18 pm
4.20 pm