Evaluate 6.9 - [8.6 - {6.5 - (5.4 - )}].
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 1.7.
Concept used:
BODMAS
Calculations:
⇒ 6.9 - [8.6 - {6.5 - (5.4 - )}]
⇒ 6.9 - [8.6 - {6.5 - (5.4 - 2.3)}]
⇒ 6.9 - [8.6 - {6.5 - 3.1}]
⇒ 6.9 - [8.6 - 3.4]
⇒ 6.9 - [5.2]
⇒ 1.7