Question

C1) Multiply using Umbrella method
23 x 17​

Answer 1

merko nhi maalum umbrella method kya Hota h

23×17 = 23(10+7) = 230+160 = 390

Answer 2

SOLUTION

Multiply using Umbrella method : 23 × 17

EVALUATION

Step : 1

Write down the given numbers

The given numbers are 23 & 17

Step : 2

Multiply 2 & 1

2 × 1 = 2

Step : 3

Multiply 3 & 7

3 × 7 = 21

Step : 4

Combine above two numbers

Combining we get 221

Step : 5

Multiply 2 & 7

2 × 7 = 14

Step : 6

Multiply 3 & 1

3 × 1 = 3

Step : 7

Add above two numbers

Adding we get 14 + 3 = 17

Step : 8

Obtain the result by adding from ten digit

Adding 221 with 17 from ten digit we get

The result = 391

FINAL ANSWER

$\sf{23 \times 17 = 391}$

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