ISRO 2023 Quiz 35

What is Dirty Bit in operating system?

Which of the following algorithm solve the all-pair shortest path problem ?

Two friends A and B apply for a job in the same company. The chances of A getting selected is 2/5 and that of B is 4/7 . What is the probability that both of them get selected?

The set {1, 2, 4, 7, 8, 11, 13, 14} is a group under multiplication modulo 15. The inverses of 4 and 7 are respectively?

Rithika's present age is four times her son's present age and two fifth of her father's present age. The average present age of all of them is 40 years. Find the sum of Rithika's son's present age and Rithika's father's present age?