Quantitative Aptitude - Arithmetic Ability Questions

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

If  a+1/a = 3, then a3+1a3?

Two students appeared for an examination. One of them secured 22 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are _______.

Select the odd word from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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?

Amit's age is four times the age of Babli. Babli's age is three times the age of Priya. If the present age of Priya is 5 years, what is the present age (in years) of Amit?

A train 100 m long is running at a speed of 120 kms/hr. The time taken to pass a person standing near the line is