Anoop sells a book to Mayank at a profit of 20% and Mayank sells this book to Siddharth at a profit of 25%. Now Siddharth sells this book at a loss of 10% to Shishir. At what percentage loss should Shishir sells this book now so that his SP becomes equal to Anoop’s CP?

The difference between the sum of four consecutive odd numbers and three consecutives even numbers together is 20. Also, the largest even number is 5 more than the largest odd number. What is the sum of the smallest odd number and the smallest even number?

What will be come in place of question mark(?) in the following number series?
3, 22, ? , 673, 2696, 8093

What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

What will be come in place of question mark(?) in the following number series?
8,  14, 25, 46, 82 , ?

What will be come in place of question mark(?) in the following number series?
14, 8, 7 , 11.5, 22, ?

A passenger train leaves Calcutta at 4 PM and travels at the rate of 30 kilometres an hour. The mail train leaves Calcutta at 9 PM and travels, on a parallel line of rails, at the rate of 45 km an hour, when will the second train overtake the first?

6 litres are drawn from a cask full of wine and it is then filled with water. 6 litres of the mixture are drawn and the cask is again filled with water. The quantity of wine now left in the cask is to that of the water in it as 121 : 23. How much does the cask hold?