IBM Company Numerical Ability Permutation and Combination

There are 20,6 and 9 rupees notes. you have to form 99 rupees
with minimum number of notes.At what minimum number of notes you
can achieve this?

Read Solution (Total 4)

IBM Other Question

The average of first 50 natural numbers?
If ’grey’ means ’yellow’; ’yellow’ means ’white’; ’white’ means ’blue’; ’blue’ means ’red’; ’red’ means ’black’; and ’black’ ’violet’; then what is the colour of clear sky?
1) red
2) white
3) violet
4) black
5) yellow