Laser printers have become another familiar laser-based consumer product, often used in conjunction with personal computers. Their principle of operation involves electrophotography, also called xerography, the same process that is used in photocopy machines.
Aman' and 'Bhuvan' can complete a certain task in 24 days and 40 days, respectively. Both started working together, but 'Bhuvan' ...
Quantity I: A student multiplied a number by 3/5 instead of 5/3 . What is the % error in the calculation?
Quantity II: The population of a town i...
What is the population of village A in 2021?
Quantity I: Population of village A in 2020 was 56,000 and it increased by 20% in 2021 over 2020.
The cost price (CP) of an article is Rs. 700, and it is marked at a price that is 'p%' above the CP. The article is sold after of...
Quantity I: A bag contains 5 identical gold coins, and the number of ways in which 'p' coins can be drawn from the bag is 10. D...
Quantity I : The rate at which the train must run to reduce the time to 30 minutes. A train takes 40 minutes for a journey if it runs at 72 km/hr.
...Quantity 1: If a student scores 25% marks then he is failed by 210 marks. But if he score 55% marks than he is passed with 240 marks. Find the passing...
A sum of Rs.12000 was lent partly at 5% and partly at 3% simple interest. The total annual interest be Rs.450.
Quantity I. Part lent at 5% SI.
How many litres of liquid A was contained by the Can initially?
Quantity I. A Can contains a mixture of two liquids A and B in the ratio 7: 5. W...
After a discount of Rs.63, item 'chips' is sold for 40% more than its cost, yielding a 22% profit. After a 10% discount, item "cold drinks," which has a...
