Two numbers are respectively 20% and 50% of the third number. What percent is the first number of the second ?

X has twice as much money as that of Y and Y has 50% more money than that of Z. If the average money of all of them is R…

Rajeev buy goods worth Rs. 6650. He gets a rebate of 6% on it. After getting the rebate, he pays sale tax @ 10%. Find th…

A gardener increased the rectangular garden by increasing its length by 40% and decreasing its width by 20%. The area of…

The percentage of metals in a mine of lead ore is 60%. Now the percentage of silver is $$\frac{3}{4}$$% of metals and th…

A student scores 55% marks in 8 papers of 100 marks each. He scores 15% of his total marks in English. How much does he …

A sales executive gets 20% bonus of the total sales value and 10% commission besides the bonus on the net profit after c…

A spider climbed $$\frac{{125}}{2}$$ % of the height of the pole in one hour and in the next hour it covered $$\frac{{25…