Question 40Asked in BPSC TRE 2.0 (2023) Language & General Studies Class 1-5

If 3x + y = 5 and x − y = 3, thenयदि 3x + y = 5 और x − y = 3, तो

यदि 3x + y = 5 और x − y = 3, तो
  1. Ax = 2, y = −1x = 2, y = −1
  2. Bx = −2, y = −1x = −2, y = −1
  3. Cx = −2, y = 1x = −2, y = 1
  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: (A) x = 2, y = −1x = 2, y = −1

Explanation

Adding 3x + y = 5 and x - y = 3 gives 4x = 8, so x = 2; then y = x - 3 = -1.3x + y = 5 और x - y = 3 जोड़ने पर 4x = 8, अतः x = 2; तब y = x - 3 = -1।

From BPSC TRE 2.0 (2023) Language & General Studies Class 1-5 — Previous Year Paper

This is question 40 of BPSC TRE 2.0 (2023) Language & General Studies Class 1-5 — 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.