-
here is an excellent puzzle. a class contains 30 students.15 of them having red cap and rest having blue cap.no one knows what cap he has but can see other's.they don't talk between themselves.the teacher came & asked the stu ...
-
here is an excellent puzzle. a class contains 30 students.15 of them having red cap and rest having blue cap.no one knows what cap he has but can see other's.they don't talk between themselves.the teacher came & asked the stu ...
-
What is the formula of rust? ...
-
For an expression x2 - 5x + 6 = (x + a)(x + b), then ...
-
If 2^x=3^y=6^-z,then what is the value of 1/x+1/y+1/z? How should I do this ? ...
-
A light wave was sent and it returned after 0.00001 secs .Then how much was the distance? ...
