Assume it is the beginning of the year today. Ankita will earn INR 10,000 at the end of the year, which she plans to invest in a bank deposit immediately at a fixed simple interest of 0.5% per annum. Her yearly income will increase by INR 10,000 every year, and the fixed simple interest offered by the bank on new deposits will also increase by 0.5% per annum every year. If Ankita continues to invest all her yearly income in new bank deposits at the end of each year, the total interest earned by her, in INR, in five years from today will be ______.

In an election with only two contesting candidates, 15% of the voters did not turn up to vote, and 50 voters cast invalid votes. It is known that 44% of all the voters in the voting list voted for the winner. If the winner got 200 votes more than the other candidate, then the num…

In a chess tournament, there are four groups, each containing an equal number of players. Each player plays - against every other player belonging to one's own group exactly once; - against each player belonging to one of the remaining three groups exactly twice; - against each p…

Amisha can complete a particular task in twenty days. After working for four days she fell sick for four days and resumed the work on the ninth day but with half of her original work rate. She completed the task in another twelve days with the help of a co-worker who joined her f…

The length of the line segment joining the two intersection points of the curves \(y = 4970 - |x|\) and \(y = x^2\) is ______.

In the xy-plane let A = (-2,0), B = (2,0). Define the set S as the collection of all points C on the circle \(x^2 + y^2 = 4\) such that the area of the triangle ABC is an integer. The number of points in the set S is ______.

If a three-digit number is chosen at random, what is the probability that it is divisible neither by 3 nor by 4?

Let a, b, c, d be positive integers such that a + b + c + d = 2023. If a : b = 2 : 5 and c : d = 5 : 2 then the maximum possible value of a + c is ______.

A goldsmith bought a large solid golden ball at INR 1,000,000 and melted it to make a certain number of solid spherical beads such that the radius of each bead was one-fifth of the radius of the original ball. Assume that the cost of making golden beads is negligible. If the gold…