Quantitative Aptitude - Arithmetic Ability Questions

If after giving a discount of 18%, a book is sold for Rs 1599, then what will be the marked price (in Rs) of the book?

What is the distance between the points (11,-5) and (-1,0)?

The mean of marks secured by 60 students in division A of class X is 66, 45 students of division B is 62 and that of 75 students of division C is 60. Find the mean of marks of the students of three divisions of Class X.

The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?

A train travelling at 76 kmph crosses a 450 m long platform in 27 seconds. What is the length of the train?

If 192 pens cost is Rs.10, how many pens can be bought for Rs.5?

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

The slopes of two lines are 1 and √3. What is the angle between these two lines?