self Maths Puzzle

You have plastic chips in your hand which are red on top and blue on the bottom. If you dropped 8 plastic chips, how many would probably land with the red side up?

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self Other Question

If 3*2=46 2*5=104 4*3=68 then 4*7=? Shyam’s car gives an average of 20 km per litre,then the difference in the cost of travel per kilometre betweenthe two cars is