Question 2 - Page 136 - āThink of a Numberā Tricks - Chapter 6 Class 8 - Algebra Play (Ganita Prakash II)
Last updated at July 23, 2026 by Teachoo
āThink of a Numberā Tricks
Last updated at July 23, 2026 by Teachoo
Transcript
Question 2 - Page 136 Can you come up with more complicated steps that always lead to the same final value? Let's make one up right now that ends in the number 7 Thus, our trick can be Think of a number: x Multiply it by 3: 3x Add 21: 3x + 21 Divide by 3: (3š„ + 21)/3 = x + 7 Subtract the original number you thought of: x + 7 ā x = 7