Quantitative Aptitude - Arithmetic Ability Questions

A mixture of alcohol and water contains 7% alcohol. How much mixture (in litres) is required to get 357 litres of alcohol?

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=

If (secA - tanA)2 = x, then the value of x is

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

HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

If cot 135° = x, then the value of x is

What is the value of [sin (y – z) + sin (y + z) + 2 sin y]/[sin (x – z) + sin (x + z) + 2 sin x]?

If  x=2+32-3, then what is the value of x+1/x ?