JAMB - Mathematics (1993 - No. 23)

A man's initial salary is N540.00 a month and increases after each period of six months by N36.00 a month. Find his salary in the eighth month of the third year
N828.00
N756.00
N720.00
N684.00

Explanation

Initial salary = N540

increment = N36 (every 6 months)

Period of increment = 2 years and 6 months

amount(increment) = N36 x 5 = N180

The man's new salary = N540 + N180

= N720.00

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