‘Think of a Number’ Trick - Basic

Last updated at March 6, 2026 by

‘Think of a Number’ Trick - Basic [Algebra Play - Ganita Prakash II] - ‘Think of a Number’ Tricks

part 2 - ‘Think of a Number’ Trick - Basic - ‘Think of a Number’ Tricks - Chapter 6 Class 8 - Algebra Play (Ganita Prakash II) - Class 8 (Ganita Prakash - 1, 2 & Old NCERT)
part 3 - ‘Think of a Number’ Trick - Basic - ‘Think of a Number’ Tricks - Chapter 6 Class 8 - Algebra Play (Ganita Prakash II) - Class 8 (Ganita Prakash - 1, 2 & Old NCERT)

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Transcript

‘Think of a Number’ Trick - Basic Let’s look at this number trick Maths behind it Let’s look at the Maths behind it Think of a number: x Double it: 2x Add four: 2x + 4 Divide by 2: (2𝑥 + 4)/2 = x + 2 Subtract the original number you thought of: x + 2 – x = 2 Now, let’s do some questions

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 16 years. He also provides Accounts Tax GST Training in Delhi, Kerala and online.