CAT (DILR) PYQs

You ask for the type of item in box 45. Instead of being given a direct answer, you are told that there are 31 items of the same type as box 45 in boxes 1 to 44 and 43 items of the same type as box 45 in boxes 46 to 100.

What is the maximum possible number of different types of items?

What is the trade balance of ROW?

How many Zentars did Lian spend in the two countries he visited?