In continuous cultures, cell growth is maintained by continuous replenishment of sterile nutrient medium.
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 95000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 25% of his...
A chair is sold for Rs 720 after giving a discount of 10% on its marked price. The cost price of the chair is Rs 640. If it is sold at the marked price,...
Find the value of x if, 25% of 80 = 225 – x% of 440.
A gave 60% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.
In a company, the ratio of engineers to administrators is 4:1. 15% of engineers and 20% of administrators are involved in a project, and 25% of the rema...
Each of the articles was marked 55% above its cost price and while selling ‘y’ % discount was given on it. The selling price of the article M is Rs....
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
A company allowed 16% commission on the total sales made by the salesman and a bonus of 1% on the sales over Rs.25000. If the salesman deposited Rs. 66...
Two students appeared in an exam and one secured 12 marks more than the other. If marks of student who got more marks is 55% of the sum of the marks of ...
Out of 600 students in school, 40% students like samosa only and 30% students like samosa and momos both. If 22% students don’t like any snacks then f...