Quantitative Aptitude - Arithmetic Ability Questions

ΔPQR is right angled at Q. If tanP = 24/7, then what is the value of cosR ?

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

Find out the odd word/letters/number/number pair from the given alternatives.

X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.

Find the odd numbers/letters/numbers from the given alternatives.

If x1x2x3 = 4(4 + x1 + x2 + x3 ), then what is the value of [1/(2 + x1 )] + [1/(2 + x2 )] + [1/(2 + x3 )]?

If tanθ + cotθ = 5, then the value of tan2θ + cot2θ is

Rathin is now 16 years old while his cousin is 7 years. After how many years will Ratin's age be 1.5 times that of his cousin?