Quantitative Aptitude - Arithmetic Ability Questions

If secA = x, then the value of x is

The top of a broken tree touches the ground at a distance of 15 m from its base. If the tree is broken at a height of 8 m from the ground, then the actual height of the tree is

The average of 100 observations was calculated as 35.It was found later, that one of the observation was misread as 83 instead of 53. The correct average is :

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

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

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

If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0, then value of (x + y - z) is

What is the value of Sin 30- √2 Cos 30