Quantitative Aptitude - Arithmetic Ability Questions

Gurkiran's birthday is on Sunday 21st May. On what day of the week will be Shreyas's Birthday in the same year if Shreyas was born on 14th November?

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3 years is Rs 6,000 and compound interest earned for 2 years is Rs 4,160?

If a wholesaler, sells a tin of coffee at Rs 528 he faces a loss of 12%. Now if he decides to sell it at Rs 636, what will be the profit (in %)?

If Tan θ = 9/40, then Sec θ = ?

After deducting 60% from a certain number and then deducting 15% from the remainder, 1428 is left. What was the initial number?

If sec 300° = x, then value of x is

A boat goes a certain distance at 40 km/hr and comes back the same distance at 24 km/hr. What is the average speed (in km/hr) for the total journey?

If X = 600 and Y = 800, then X is how much percent less than Y?