What is the correct answer ? is it 200?
solve Q20.
solution please.
Urn 1: 5 white, 7 blackUrn 2: 7 white, 8 black.We move a ball from urn 1 to urn 2. It had a 5/12 chance of being white and 7/12 chance of being black....
Its very Time consuming.. You have to consider all the possibilities to solve this set.
FInd the odd term 13, 21, 34, 64, 89, 144
How many different paths are there on a regular 8 × 8 chessboard from the lower left corner to the upper right corner? The path is always going along ...
For how many integers x4 + x3 + x2 + x + 1 is a perfect square?
Let D(N) denote the difference of sum of all even digits of N from sum of all odd digits of N. For example D(5678) = (5 + 7) – (6 + 8) = -2 and D(786)...
How many 18-digit positive integers are there which ends in 18 as last two digits and are divisible by 18?