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Multiple choice addition and subtraction vedic methods of multiplication vedic mathematics history of mathematics maths

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
Reveal answer Fill a bubble to check yourself
C Correct answer
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