‘Think of a Number’ Tricks
Last updated at August 14, 2026 by Teachoo
Transcript
Question 1 - Page 137 Mukta thinks of another date, follows the same steps, and reports her answer as 1390. What date did Mukta start with this time? Our algebraic expression is 𝟏𝟎𝟎𝐌+𝟏𝟔𝟓+𝐃 We subtract 165 from it 1390 – 165 = 1225 This means it is Month – 12 Date – 25 So, 25-December