Quantitative Aptitude - Arithmetic Ability Questions

A train crosses a 375 m long platform in 27 seconds. How long was the train if it was travelling at the speed of 70 kmph?

A shopkeeper by selling 9 Rolex watches, earns a profit equal to the selling price of 4 Rolex watches. His profit percentage is

In the following question, select the odd number pair from the given alternatives.

Select the odd word from the given alternatives.

In a class test, a student scored 22 marks out of 25 marks. The students marks in % is :

The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?

The average age of 80 boys in a class is 15 years. The average age of a group of 15 boys in the class is 16 years and the average age of another 25 boys in the class is 14 years. What is the average age of the remaining boys in the class?

What is the remainder, when 4x4 +10x3-20x2+90 is divided by (x+2) ?