Quantitative Aptitude - Arithmetic Ability Questions

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

A 220 metres long train takes 33 seconds to cross a 440 metres long bridge. How much time (in seconds) will the train take to cross a 350 metres long bridge?

K is 5 years older to H. H is 3 years younger to R. R is 6 years older to C. C is 7 years younger to L. Who is the eldest?

Two numbers are 10% and 20% lesser than a third number respectively. By how much percent is the second number should be enhanced to make it equal to the first number?

Among three numbers , second is twice the first and also thrice the third . If the average of the three numbers is 33 , then the largest number is

To get number 40, the number 56/9 should be multiplied with