Quantitative Aptitude - Arithmetic Ability Questions

ΔABC a right angled triangle has ∠B = 90° and AC is hypotenuse. D is its circumcentre and AB = 3 cms, BC = 4 cms. The value of BD is

The difference between simple interest on a certain sum at the rate of 6% per annum for 5 years and 6 years is 25.8. What is the sum (in Rs)?

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

If 4/5th of 6/7th of a number is 216, then 8/9th of that number will be

When a number is increased by 120, it becomes 130% of itself. What is the number?

In a trapezium, one diagonal divides the other in the ratio 2 : 9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?

For x = 462+3, what is the value of x+22x-22+x+23x-23

Ravi had five subjects in his final examination. The maximum marks in each subject are 100. If his percentage in four subjects is 80, and he scores 65 marks in the fifth subject, determine his overall percentage for the five subjects.