Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

In an alloy, aluminium and tin are in the ratio of 4 : 5. In the second alloy, the ratio of same elements is 4 : 7. If equal quantities of these two alloys be mixed to form a new alloy, then what will be the ratio of both of these elements in the new alloy?

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 9% per annum is Rs 405. The sum is ______ .

ΔPQR is right angled at Q. If cotP = 5/12, then what is the value of tanR ?

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

If x2-3x+1=0, then x+1x is (x≠0)