Quantitative Aptitude - Arithmetic Ability Questions

If the radius of a circle is increased by 25%, its area increases by:

If a stall sells a pizza at Rs 200 he makes 20% loss if he wants to make 10% profit then at what price (in Rs) should he sell?

Two numbers are 30% and 60% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

Dhruv's birthday is on Sunday 28th May. On what day of the week will be Sahil's Birthday in the same year if Sahil was born on 19th October?

If x + [1/(4x)] = 5/2, then what is the value of (64x6+ 1)/8x3?

Find the y-intercept of the line joining two points (1, 3) and (3, 5).

A student gets 22 marks more in French than what she got in German. Her German marks are 28% of the sum of her French and German marks. What are her French marks?

Select the odd figure one out the given series.