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

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?

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?

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?

Netflix's subscriber drops by one-fifth in every 4 years. If Netflix currently has 100,000 subcribers, how many subscribers will it have in 12 years from now?

Printer P, Printer Q and Printer R can print a batch of flyers in 4,8 and 16 hours respectively. How many Printer R are needed with One Printer P and three Printer Q to
complete the lot in 1 hour?

The sum of 25 consecutive integers is 5⁴. What is the median of these integers?