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You can give exam's on Computer as well as on Mobile phone's.
You can give exam's on Computer as well as on Mobile phone's.
Mind-Blowing Facts: What are some interesting facts which are not commonly known?-www.KiranBookStore.com-Flat 40% OFF
Explanation: Staircase have odd number of steps to prevent people from stumbling. Most people are right handed, so they naturally step with right foot first. And if the top stair will be an even stair then the person will be in it's left foot. But the brain is used to of right foot first, so the odd step will put them back on right foot, and there is a chance that a person might stumble. Hence the Staircase have odd number of steps.
