Standard Mathematics Primary 3 Time

Siti's swimming lesson starts at 10:45 a.m. and lasts 1 hour 20 minutes. What time does her lesson end?

A 11:45 a.m.
B 12:05 a.m.
C 12:05 p.m.
D 12:45 p.m.
Show Worked Solution

Worked Solution

Step 1: Add the hours first. 10:45 a.m. + 1 hour = 11:45 a.m. Step 2: Add the minutes. 45 + 20 = 65 minutes = 1 hour 5 minutes. Carry 1 hour: 11 + 1 = 12, remaining minutes = 5. So 11:45 a.m. + 20 minutes = 12:05 p.m. Answer: 12:05 p.m.

Correct answer: 12:05 p.m.

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