Average of eleven observations is 30. Average of first five observations is 25 and of the last five is 28. Find the 6th term.

The number of unskilled workers in a factory is six times the number of skilled workers. Which of the following cannot be the total number of workers in the factory?

Virat obtained 18% marks in an examination and he failed by 60 marks. If passing marks are 33%, then total marks are ________.

If 3a / [1 + 1/(1 + a/(1 − a))] = 2, then find the value of a.

The simple interest on ₹200 for 7 months at 5 paisa per rupee per month is ________.

What is the remainder if 2^93 is divided by 9?

The difference between Compound Interest and Simple Interest on a sum of ₹50,000 for 2 years at 6.5% p.a. is ________.

Find the sum of all possible values of x, if 25849x4 is divisible by 4.

Rahul travels the first 50 km at 10 kmph, the next 40 km at 20 kmph and then the next 60 km at 15 kmph. Find his average speed for the whole journey.