Quantitative Aptitude - Arithmetic Ability Questions

Raghu goes to college at a speed of 4 kmph and returns at a speed of 3 kmph. If he takes 5.95 hrs in all, then what is the distance between his home and the college?

If a = 2 , b = ­3 then the value of 27a3 - 54a2b + 36ab2 - 8b3 is

If x and y are natural numbers such that x + y = 2017, then what is the value of (– 1)x+ (– 1)y?

The marked price of an article is 20% more than its cost price. If 5% discount is given on the marked price, then what is the profit percentage?

There were 35 studentsina hostel.Ifthenumber of studentsbe increased by 7, the expenditure on food increases by Rs 42 per day while the average expenditure of studentsis reduced by Rs 1. What was the initial expenditure on food per day?

Of the 3 numbers whose average is 22, the first is 3/8th the sum of other 2. What is the first number?

If 310 × 272 = 92 × 3n then the value of n is

For x > 0, what is the minimum value of  x + x+22x?