self
Maths Puzzle
Our chess champion is a champion. But one problem is threatening to check-mate him. The problem is : starting from the corner cell of a normal chess board, how many other different cells can a knight visit in exactly five moves?
Read Solution (Total 1)
-
- 34,it can make 5 moves from one corner to another hence covering 8 cells,so in 5 moves he will cover 40 cells but there are common cells in them which are covered repeatedly there are 6 common cells,therefore 40-6=34
- 10 years agoHelpfull: Yes(0) No(0)
self Other Question
Q. Three digits are chosen at random from 1,2,3,4,5,6,7,8 and 9 without repeating any digit. What is the probability that their product is odd?
let p,q,r,s,t be consecutive positive integers such that q+r+s is a perfect square & p+q+r+s+t is a perfect cube.find smallest possible value of r.
Option
(a) 575
(b) 675
(c) 125
(d) 725