Quantitative Aptitude - Arithmetic Ability Questions

If Shubhangi walks with a speed of 2 km/hr, then she reaches her school 5/2 minutes late but if she walks with a speed of 2.5 km/hr, then she reach 5 minutes before the scheduled time. What is the distance (in km) of her school from her house?

The number of trees in a town is 17640. If the numbers of trees increases annually at the rate of 5%, then how many trees were there 2 years ago?

If 6/7th of 8/5th of a number is 192, then 3/4th of that number is _____.

If Cot θ = 21/20, then what is the value of Sec θ?

Select the odd word from the given alternatives.

On selling 30 caps, a shopkeeper earns profit equal to the selling price of 3 caps. What is the profit percentage?

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?