self Maths Puzzle Numerical Ability Percentage

A man can row at 6 km/h in still water and at 4 km/h upstream. How long will the man take to go to a place
1 km downstream and return?
a) 36 min b) 24 min c) 12 min d) 18min

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self Other Question

A man can row at 6 km/h in still water and at 4 km/h upstream. How long will the man take to go to a place
1 km downstream and return?
a) 36 min b) 24 min c) 12 min d) 18min
A hollow rectangular metal box of outer dimensions 30cmx24cmx18cm and of thickness 3cm is melted to
form a solid cube. What is the measure of side of the cube (in cm)?
a) 36 √36 b) 6 c) 18 3√36 d) 6 3√36