Calculate: [2 Marks]
(i) Seconds in a day
(ii) Minutes in a week
(iii) Hours in a year

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Solution

(i) Seconds in a day $= 60 \times 60 \times 24 = 86400 s e c o n d s$
[0.5 marks]

(ii) Minutes in a week $= 60 \times 24 \times 7 = 10080 m i n u t e s$
[0.5 marks]

(iii) Hours in a year $= 24 \times 365 = 8760 h o u r s$
[1 marks]

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Calculate:
(i) Seconds in a day
(ii) Minutes in a week
(iii) Hours in a year [3 MARKS]

Q. A man works for 10 hours a day. He works only 5 days in a week. Find the total number of hours worked by the man in a year. (There are 52 weeks in a year.)

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Calculate: [2 Marks] (i) Seconds in a day (ii) Minutes in a week (iii) Hours in a year

(i) Seconds in a day =60×60×24=86400 seconds [0.5 marks] (ii) Minutes in a week =60×24×7=10080 minutes [0.5 marks] (iii) Hours in a year =24×365=8760 hours [1 marks]

Calculate: [2 Marks]
(i) Seconds in a day
(ii) Minutes in a week
(iii) Hours in a year

(i) Seconds in a day $= 60 \times 60 \times 24 = 86400 s e c o n d s$
[0.5 marks]

(ii) Minutes in a week $= 60 \times 24 \times 7 = 10080 m i n u t e s$
[0.5 marks]

(iii) Hours in a year $= 24 \times 365 = 8760 h o u r s$
[1 marks]