Multiple choice general knowledge science & technology

Rs 100 add 50% and then knock off 50% , the result will be...

  1. Rs 50

  2. Rs 75

  3. Rs 100

  4. Rs 125
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Starting with Rs 100, adding 50% gives Rs 150 (100 + 50% of 100). Then subtracting 50% from Rs 150 gives Rs 75 (150 - 50% of 150 = 150 - 75 = 75). Option B is correct. Option A (Rs 50) incorrectly subtracts 50% of original amount. Option C (Rs 100) assumes the operations cancel out, which they don't. Option D (Rs 125) incorrectly adds instead of subtracts.

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