Question

using one figure appromaximation and estimate 11 x 69

Answer 1

Answer:

This can be done by the vedic maths trick..

WHENEVER you r multiplying by 11,

In 2 digit no.s

Take 1st digit (6)

Leave a blank

Take 2nd digit (9)

In the blank, sum 6 and 9 = 15

So 5 will come in the blank n 1 will be added to 6...

So,

69 × 11

= 6_9

=759

Check on calculator

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