He work 3 hours in evening each day when total work hours is 42 hours and working days are 6 days.
Arithmetic operations is a field of mathematics that studies numbers and the operations on numbers that are helpful in all other disciplines of mathematics. It consists mostly of operations like addition, subtraction, multiplication, and division. Arithmetic operators carry out operations on numbers. Variables are assigned values using assignment operators. Logical operators compare two values and return either "true" or "false" depending on whether the comparison is true (or false).
Here,
Total work hours=42 hours
working days=6 days
hours of work done each day=42/6
=7 hours
if he work 4 hours in morning,
then hours of work he did in evening,
=7-4
=3 hours
He works 3 hours in the evening every day, for a total of 42 hours and 6 working days.
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