This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Here are the solutions to the mental maths problems. Problems from the top section: a) Interpretation: Is 20:30 (24-hour format) the same as 8:30 PM (12-hour format)? Step 1: Convert 20:30 from 24-hour to 12-hour format. 20:30 - 12:00 = 8:30 The answer is Yes, 20:30 is 8:30 PM. b) Interpretation: Name a month with 31 days. The answer is January. (Other valid answers include March, May, July, August, October, December). c) Interpretation: What shape has 5 sides? The answer is a Pentagon. d) Interpretation: Is the statement 15 + 0 = 15 true? Step 1: Perform the addition. 15 + 0 = 15 The answer is Yes, the statement is True. e) Interpretation: How many days are in 10 years (assuming 365 days per year)? Step 1: Multiply the number of years by the number of days in a year. 10 × 365 = 3650 The answer is 3650 days. f) Interpretation: Is 4:15 AM the same as 16:15? Step 1: Convert 16:15 from 24-hour to 12-hour format. 16:15 - 12:00 = 4:15 This is 4:15 PM. The answer is No, 4:15 AM is not 16:15 (which is 4:15 PM). g) Interpretation: Is 1/2 minute equal to 90 seconds? Step 1: Convert 1/2 minute to seconds. (1)/(2) minute = (1)/(2) × 60 seconds = 30 seconds The answer is No, 1/2 minute is 30 seconds. Problems from 6-02-2026: a) Step 1: Perform the division. 40 ÷ 2 = 20 The answer is 20. b) Step 1: Perform the division. 60 ÷ 3 = 20 The answer is 20. 3 done, 2 left today. You're making progress.