The average age of husband wife and their child 4 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

In a certain store, the profit is 320% of the cost, If the cost increases by 25% but the selling price remains...

The electricity bill of a certain establishment is partially fixed and partially varies as the number of units...

In a market suvey 20% respondents opted for product A whereas 60% opted for product B. the remaining individua...

A man travelled a distance of 61 kn in 9 jours. He travelled party on food at 4 kn/hr and party on bicycle at...

X.Y and Z share Tk 1800 in such a way that X has 2.5 times as much as Y, and Y has has 4 times as much as Z. H...

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older than him. I...