An empty fuel tank of a car was filled with A type petrol. When the was half-empty, it was filled with B type petrol. Again when the tank was half-empty, it was filled with A type petrol. When the tank was half-empty again, it was filled with B type petrol. What is the percentage of A type petrol at present in the tank?
Correct Answer : B
Dinesh speaks truth in 3/4 cases and Abhishek lies in 1/5 cases. What is the percentage of cases in which both Dinesh and Abhishek contradict each other in stating a fact?
In how many years will a sum of Rs 800 at 10% per annum compounded semi-annually becomes Rs 926.10
During one year the population o f a town increased by 20% and during the next year it diminished by 20%. Then the population now is