Quantitative Aptitude - Arithmetic Ability Questions

x and y are two numbers such that their mean proportion is 9 and third proportion is 243. What is the value of x and y?

Find the odd one out among the following.

If x + y = 13 and x2 + y2 = 89, then find xy is

∆PQR is right angled at Q. If m∠R = 45°, then find the value of (cosecP - √3/2)

Find the odd words/letters/number from the given alternatives.

If secA + tanA = x, then the value of x is

The ratio of number of boys and girls in a school of 720 students is 7 : 5 . How many more girls should be admitted to make the ratio 1 : 1 ?

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.