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The correct answer is D
A 60-liter solution contains 30% alcohol. How much pure alcohol must be added to make the solution 50% alcohol?
3.5% of 350 + x ² = 38× 13 + 94.25, find x
If the ratio of boys to girls in a class is 3:4 and the total number of students is 56, how many boys are there?
A shopkeeper marks an article 50% above the cost price and then gives two successive discounts of 20% and 10%. What is his overall profit or loss percen...
The ratio of the number of boys to girls in a school is 7:5. If 10 more boys join the school and 10 girls leave, the new ratio of boys to girls becomes ...
The original price of a painting was Rs 2400/- but the shopkeeper offered double discount of 20% and 15%. For how much did he finally sell the item?
17, 16, 34, 32, 68, 66
Rakesh can complete a work in 'X + 12' days. While Shikha can complete the same work in 'X + 27' days. If they can complete the work together in 'X' day...
If a person loses Rs 20 by selling an item for Rs 140 then what is the loss percentage?