$(\frac{4}{7})$ of a pole is in the mud. When $(\frac{1}{3})$ of the pole is pulled out, 250 cm is still in the mud. The length of the pole is

A train starts full of passengers. At the first station, it drops one third of passengers and takes 280 more. At the second station, it drops one half of the new total and takes 12 more. On arriving at the third station, it is found to have 248 passengers. The number of passengers in the beginning was

If the difference between 62% and 80% of a number is 198, then the difference between 92% and 56% of the same number will be :-

Successive discounts of $p\%$ and $q\%$ on an invoice is the same as a single discount of

The value of a flat worth ₹500,000 is depreciating at the rate of 10% per annum. In how many years will the value be reduced to ₹364,500?

Given below are two statements :

In class ' $X$ ' of 30 students, 24 passed in first division; in another class ' $Y$ ' of 35 students, 28 passed in first division.

Statement I : Class ' $X$ ' has more percentage of students getting first division.

Statement II : Both classes have equal percentage of students getting first division.

A man pays 40 times the annual rent to purchase a building. The rate % per annum he derives from his investment is