Two trains are moving in the opposite direction at speed of 30 km/hr and 45 km/hr respectively, whose lengths are 450 m and 550 m respectively. What is the time taken (in seconds) by slower train to cross the faster train?

After deducting 12% from a certain sum and then deducting 25% from the remainder, 2508 is left, then what is the initial sum?

If the cost price of 48 articles is equal to the selling price of 32 articles, then what is the profit percentage?

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

Three partners A, B and C share profit such that three times the share of A is equal to two times the share of B and equal to 12 times the share of C. What is the ratio of the profits of A, B and C respectively?

The marked price of an article is 40% more than its cost price. If 15% discount is given on the marked price, then what will be the profit percentage?

If the radius of the cylinder is decreased by 20%, then by how much percent the height must be increased, so that the volume of the cylinder remains same?

2 men or 3 women can complete a job in 96 days. Then 6 men and 7 women will complete the same job in how many days?