LEVEL-3|SESSION 1|Squaring Numbers | एकाधिकेन पूर्वेण

What is the first step in squaring a number like 509 using the Vedic method?

• Multiply the number by itself

• Square the hundreds digit

• Multiply the digits together

• Double the units digit

What do you do after multiplying the outer digits (hundreds and units)?

• Add them

• Divide them

• Double the result

• Ignore them

The left part of the answer comes from:

• a × b

• a²

• b²

• 2ab

The middle part of the answer comes from:

• a²

• 2ab

• ab²

• b²

The right part of the answer is:

• ab

• b²

• 2ab

• a²

For 407, a = ? and b = ?

• a = 4, b = 0

• a = 0, b = 7

• a = 4, b = 7

• a = 7, b = 4

What is 302² using the Vedic method?

• 90204

• 91004

• 92204

• 91204

In which situation is this Vedic method most useful?

• Any square

• Only 2-digit numbers

• 
  Numbers with 0 in the middle (like a0b)

• Prime numbers

What happens if the middle term is greater than 2 digits?

• Ignore extra digits

• 
  Carry over to left

• 
  Carry over to right

• 
  Remove them

409² = ?

• 167281
• 167481
• 167681
• 168681