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Q: Question: What is Asha's total monthly income? Statement: I. Asha's basic income is `100 more than her colleague Mala's income. II. Basic income of Mala is `1550 per month. III. Mala made extra allowance out of his income `2000 per month which is `50 less than Asha's income.
  • A. Only statement II is sufficient
  • B. Only statement I is sufficient
  • C. Only statement I and II are sufficient
  • D. All statements I, II and III are sufficient
Correct Answer: Option D - From I and II, Basic income of Asha = Basic income of Mala + 100 = 1550 + 100 = Rs.1650 from statement III, extra allowance of Mala = Rs. 2000 extra allowance of Asha = 2000 + 50 = Rs. 2050 So total income of Asha = 1650 + 2050 = Rs. 3700 Hence, it is clear that all statements I, II and III are sufficient to answer the question.
D. From I and II, Basic income of Asha = Basic income of Mala + 100 = 1550 + 100 = Rs.1650 from statement III, extra allowance of Mala = Rs. 2000 extra allowance of Asha = 2000 + 50 = Rs. 2050 So total income of Asha = 1650 + 2050 = Rs. 3700 Hence, it is clear that all statements I, II and III are sufficient to answer the question.

Explanations:

From I and II, Basic income of Asha = Basic income of Mala + 100 = 1550 + 100 = Rs.1650 from statement III, extra allowance of Mala = Rs. 2000 extra allowance of Asha = 2000 + 50 = Rs. 2050 So total income of Asha = 1650 + 2050 = Rs. 3700 Hence, it is clear that all statements I, II and III are sufficient to answer the question.