Question 4Asked in BPSC TRE 1.0 (2023) Mathematics Class 9-10 + 5 more papers

If 30% of P is added to 40% of Q, it becomes 80% of Q. Accordingly, what is the percentage of Q with respect to P ?यदि P का 30%, Q के 40% में जोड़ दिया जाय, तो वह Q का 80% हो जाता है। तदनुसार Q, P का कितना प्रतिशत है?

यदि P का 30%, Q के 40% में जोड़ दिया जाय, तो वह Q का 80% हो जाता है। तदनुसार Q, P का कितना प्रतिशत है?
  1. A40%40%
  2. B50%50%
  3. C75%75%
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (C) 75%75%

Explanation

0.3P + 0.4Q = 0.8Q gives 0.3P = 0.4Q, so Q/P = 3/4 = 75%.0.3P + 0.4Q = 0.8Q से 0.3P = 0.4Q, अतः Q/P = 3/4 = 75%।

From BPSC TRE 1.0 (2023) Mathematics Class 9-10 — Previous Year Paper

This is question 4 of BPSC TRE 1.0 (2023) Mathematics Class 9-10 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.

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