What is the angle between the hour and minute hand of clock when it is 12.20 pm by the clock?

By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than usual. His usual time is...

A reduction of 21% in the price of pulse enables a person to by 10.5 kg more for Tk. 100. How much is reduced...

A man lends Tk 10000 in four parts. If he gets 8% on tk 2000, 7.5% on Tk 4000 and 8.5% on Tk 1400, what percen...

A man rows at 6 km/hr in still water and 4.5km/hr against current. His rate along the current is :

Nazir can wash his car 15 minutes while his son takes twice as long. If they work together how many minutes wi...

A batsman in his 17th innings makes a score of 85 and thereby increases his average by 3, his average after th...