১২১৩৩
The difference between two numbers is 5 and the difference between their squares is 65. What is the larger number?
উত্তর
9
১২১৩৪
A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long?
উত্তর
89s
১২১৩৮
If a pole 6m high casts a shadow 2√3m long on the ground, then the elevation of the sun is
উত্তর
60°
১২১৪০
A football team is to be consisted out of 14 boys. In how many ways the team can be chosen so that the owner of the ball is always in the team?
উত্তর
286