Quantitative Aptitude - Arithmetic Ability Questions

∆XYZ is right angled at Y. If tanX = 15/8, then what is the value of sinZ ?

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

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

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

The sum of the digits of a 2-digit number is 8. If we add 36 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

If x4+1x4=119,then the value of x-1x is