What is Baudhaayan Theorem?

Important Questions on History of Mathematics

MEDIUM

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 7

Write the contribution of Aaryabhatt in the estimation of $\mathrm{\pi }$.

EASY

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 8

Write the name of the creator of Vedic Mathematics. Also give a brief description of its contents. 

EASY

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 1

What do you mean by digit sum?

MEDIUM

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 2

Find the digit sum of the following numbers:
$15, 38, 88, 99, 412$

MEDIUM

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 3

What should be added to the following number to make them divisible by $9$?
$241$

EASY

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q 4

Write the usefulness of digit sums.

MEDIUM

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q (1)

Find the following product using the method Urdhwatirygbhyaam:
$23\times 32$

MEDIUM

9th Chhattisgarh Board

IMPORTANT

Mathematics Class - 9>Chapter 1 - History of Mathematics>Exercise>Q (2)

Find the following product using the method Urdhwatirygbhyaam:
$44\times 52$