Two vessels contain equal quantities of 40% alcohol. Sachin changed the concentration of the first vessel to 50% by addi…

If a% of x is equal to b% of y, then of c% of y is what % of x ?

600 students took the test on Physics and chemistry. 35% students failed in Physics and 45% students failed in chemistry…

The price of raw materials has gone up by 15%, labor cost has also increased from 25% of the cost of raw material to 30%…

Narayan spends 30% of his income on education and 50% of the remaining on food. He gives Rs. 1000 as monthly rent and no…

The ratio 5 : 4 expressed as a percent equals :

If two numbers are respectively 30% and 40% more than a third number, what percent is the first of the second?

In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. …