Tag: history of mathematics

Questions Related to history of mathematics

Perform $79643+63405$ using Ekadhikena Purvena and Param mitra ank method.

  1. $143048$

  2. $138304$

  3. $23476$

  4. $12431$


Correct Option: A

Tarun studies for $5\dfrac{1}{4}$ hours daily. He devotes $2\dfrac{3}{4}$ hours of his time for English and Mathematics. How much time does he devote for other subjects ? 

  1. 2 hours

  2. $4\dfrac{2}{3}$ hours

  3. $2\dfrac{1}{2}$ hours

  4. $3\dfrac{1}{4}$ hours


Correct Option: C
Explanation:

Total time period of Tarun's study

$=5\dfrac{1}{4}$ hours $=\dfrac{21}{4}$ hours
Time he devotes for English and Maths
$=2\dfrac{3}{4}$ hours $= \dfrac{11}{4}$ hours
$\therefore$ Time he devotes for other subjects
$=\left(\dfrac{10}{4}-\dfrac{11}{4}\right)$ hours
$=\dfrac{10}{4}$ hours $= \dfrac{5}{2}$ hours $=2\dfrac{1}{2}$ hours

Calculate $64769-45906$ using Ekanyunena Purvena and Param mitra ank method.

  1. $10863$

  2. $19863$

  3. $18863$

  4. $28863$


Correct Option: C

In $20$ Ekadhikena Purvena of digit $2$ is?

  1. $121$

  2. $129$

  3. $118$

  4. $120$


Correct Option: D

Subtract $48625$ from $87654$ using Ekanyunena Purvena and Param mitra and _____________.

  1. $40092$

  2. $39029$

  3. $40126$

  4. $41789$


Correct Option: B

In $325$ Ekanyunena Purvena of digit $2$ is?

  1. $225$

  2. $125$

  3. $425$

  4. $525$


Correct Option: A

Subtract $49045$ from $97005$ using Ekhadikena Purvena and Param Mitra ank

  1. $36870$

  2. $56894$

  3. $47960$

  4. $48690$


Correct Option: C

   Subtract $2536$ from $4162$ using Ekanyunena purvena and Param Mitra Ank 

  1. 1568

  2. 1126

  3. 1626

  4. 1965


Correct Option: C

Subtract $17964$ from $24892$ using Ekhadhikena Purvena and Param Mitra Ank

  1. $6982$

  2. $7982$

  3. $8982$

  4. $5682$


Correct Option: C

In $523$ Ekanyunena Purvena of digit $2$ is?

  1. $123$

  2. $323$

  3. $423$

  4. $623$


Correct Option: C