SESSION 8 Multiplication By अन्त्ययोरदशकेऽपि Method

What is the condition to apply the "Antyayordashake’pi" sutra?

• The last digits must add up to 10, and the remaining digits must be the same

• The numbers must be divisible by 10

• The numbers must be consecutive

• The numbers must be prime

Solve: 42 × 48 using the Antyayordashake’pi method

• 2106

• 2006

• 2016

• 2206

Which of the following pairs is suitable for using the Antyayordashake’pi method?

• 71 × 79

• 80 × 89

• 36 × 39

• 45 × 50

What is the first step in applying the Antyayordashake’pi sutra?

• Divide the number by 10

• Add both numbers

• Multiply the tens place by its successor

• Multiply the unit digits

If the sum of unit digits is not 10, can the Antyayordashake’pi method be applied?

• Yes

• No

• Only if both numbers are even

• Sometimes

Solve: 91 × 99

• 9009

• 9109

• 9209

• 9309

Which of the following equations is solved correctly using Antyayordashake’pi?

• 93 × 97 = 8911

• 53 × 57 = 3020

• 72 × 78 = 5622

• 64 × 66 = 4224

Find the missing number: 23 × __ = 621 using Antyayordashake’pi.

• 28

• 27

• 24

• 31

What is the significance of the "tens digit" in Antyayordashake’pi?

• It remains the same

• It is subtracted from the units digit

• It is added to the units digit

• It is multiplied by its successor

Solve: 83 × 87

• 7221

• 7201

• 7211

• 7231