Quantitative Aptitude - Arithmetic Ability Questions

If 25% of X is equal to 40% of Y, then what is the ratio of X and Y?

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

What is the percentage decrease in the area of a triangle if its each side is halved?

Raman spends 80% of his income. If his income is increased by 25% and the expenditure increase by 10%, then what will be the percentage increase in his savings?

A man travels 400 km in, partly by rail and partly by steamer. He spends 9 hours more time on steamer. If the velocity of the steamer is 30 km/hr and the velocity of rail is 70 km/hr, how much distance does he cover by steamer?

A man has 3 sons, 2 daughters and a wife. They divided a sum of Rs 19000 among themselves such that each daughter got 1.5 times the amount received by each son and his wife received 600 less than each son. What is the total amount (in Rs) received by the 3 sons together?

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

Priya’s age was cube of an integral number (different from 1) four years ago and square of an integral number after four years. How long should she wait so that her age becomes square of a number in the previous year and cube of a number in the next year?