Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

O is the orthocentre of∆ABC, and if ∠BOC = 110° then ∠BAC will be

Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?

ΔABC is right angled at B. BD is the altitude. AD is 18 cm and DC is 50 cm. Find length of BD?

Find the odd word/letters/number from the given alternatives

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