In 1835, a short railway line intended to carry granite stone was laid at Chintadripet on an experimental basis. It later became known as the Red Hill Railroad line.
In a bio gas plant the population of yeast bacteria increases at a rate of 19% per annum but there is an additional annual increase of 1% in population ...
The income of P is 3/5th of the income of Q and income of R is 30% more than the income of Q. Income of Q is Rs.30000 and expenditure of P is...
In an election contested between two candidates, the winner won by 720 votes. If out of total votes polled, 20% were declared invalid, and out of the re...
50% students (boys + girls) in a math class are boys. Out of total boys, 65% are literate and 70 are illiterate. Find the number of literate girls in th...
The monthly incomes of 'A' and 'B' are in the ratio of 3:4, respectively. Both 'A' and 'B' have identical monthly expenditures, while their monthly savi...
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...
A shopkeeper marks up the price of an article by 30% and then gives a 20% discount on the marked price. If the final selling price is ₹2,184, determin...
Neha goes to a toy store with some money. She can buy 60 dolls or 20 robots with the money with her. However, instead of spending the entire amount, she...
Monthly income of Aisha and Tom is Rs. 75,200 and Rs. 82,000 respectively. Aisha spends 13%, 18%, and 22% on house rent, food, and education of children...
The boys and girls in a college are in the ratio 3:2. If 15% of the boys and 25% of the girls are adults, then adults are approximately how much % less ...
