The cost of 18 articles is the same as the selling price of n articles. If the profit is 20%. Then what is the value of n?

If $\sqrt{9+\sqrt{y}}=\sqrt{y+3},$ then y could be equal to which of the following?

Zaid's mother contributes to her son's savings by giving him 10% of his total savings. If Zaid saves Tk.200 in June, Tk. 250 in July and Tk.150 in August. How much will he have in savings at the end of August?

A seasoned workers efficiency is twice as much as an apprentice's. If they work together for 10 days on a project and earn Tk.45000 together, what is the daily wage of the apprentice?

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?

Zeba walks to school al 3/5^th of her normal pace. causing her journey to take 10 minutes longer than usual. How many minutes does she usually take to walk to school?