Quantitative Aptitude - Arithmetic Ability Questions

If the three numbers in the ratio 3:2:5 be such that the sum of the squares is equal to 1862 then which number is the middle one.

If √[(1 + cosA)/2] = x, then find the value of x.

If cotA/√(1 + cot2A) = x, then the value of x is

A number is divided into two parts in such a way that 30% of first part is 25 more than the 20% of second part. 50% of second part is 33.5 more than the 60% of first part. What is the number?

If x2+1x2 = 98, then x3+1x3 = ?

Which of the following quadratic equations has real roots?

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

Find the odd word / letter / number from the given alternative