Abhishek invested Rs. 18,000 in a scheme offering x% simple interest for ‘x’ years. Interest earned by him after ‘x’ years is Rs. 11520. Find the simple interest earned by him, if he invested Rs. 8,000 at same rate of interest for four years.

Speed of a boat in downstream is 25% more than speed of boat in still water. If the boat can go 96 km upstream in 6.4 hours, then find the time taken by boat to cover 125 km in downstream.

What is the angle between the hour hand and the minute hand at 5:10 AM?

What is the angle between the hour hand and the minute hand at 6:30 PM?

The following numbers form a series. Find the odd one out.

7, 5, 12, 34, 138, 692

The following numbers form a series. Find the odd one out.

227, 222, 210, 199, 157, 112

The average of three numbers is 30. The ratio of 3rd number and sum of the 1st and 2nd number is 16: 29. What is the sum of 1nd and the 2rd number?

The average age of three friends, Shubham, Omkar and Sucharu is 12 years. The ratio of age of Shubham to Omkar is 5:4. If the age of Omkar is 3 years more than the age of Sucharu, then find the age of Sucharu, 4 years before.

The following numbers form a series. Find the odd one out.

96, 133, 200, 291, 408, 551

552 ml of mixture contains milk and water in the ratio of 12:11, respectively. Find the quantity of milk that must be added into the mixture so that ratio of milk to water in the final mixture becomes 5:4.

A bag contains 8 red, 13 green and some blue balls. If three balls are drawn from the bag one after another and without replacement then find the probability of getting three different colour balls given that total number of balls in the bag is 40.