NDA2018MathematicsBasics of MathematicsActual
What is the value of ₉ 27+ ₈ 32 ?
Options
- A7/2
- B19/6
- C4
- D7
Correct answer
B. 19/6
Step-by-step solution
aligned & aligned & ₉ 27+ ₈ 32 &= ₉ 3^3+ ₈ 2^5 &=3 ₉ 3+5 ₈ 2 & 3 _ (3^2 ) 3+5 _ (2^3 ) 2 aligned & 3 2 ₃ 3+ 5 3 ₂ 2 & 3 2 + 5 3 = 19 6 aligned