Multiple choice

Sudha saves 15% of her income. If her expenditure increases by 20% and saving increases by 60%, then by what percent has her income increased?

  1. 24

  2. 30

  3. 26

  4. 35
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let income = 100. Original: saving = 15, expenditure = 85. New: saving = 15 × 1.6 = 24, expenditure = 85 × 1.2 = 102, new income = 126. Percent increase = (126-100)/100 × 100 = 26%. The key is tracking how both components change.

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