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Question 16Asked in DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)

By Interchanging the given two numbers which of the following equation will be not

By Interchanging the given two numbers which of the following equation will be not correct? 7 and 9
  1. A9 – 7 + 3 = 1
  2. B9 × 4 – 7 × 3 = 4
  3. C9 × 1 – 7 × 2 = –11
  4. D7 × 2 + 9 – 4 = 21
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Correct answer: (B) 9 × 4 – 7 × 3 = 4

Explanation

After swapping 7 and 9, option B becomes 7 × 4 − 9 × 3 = 28 − 27 = 1, not 4. The others hold: 7 − 9 + 3 = 1, 7×1 − 9×2 = −11, 9×2 + 7 − 4 = 21.

From DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM)

This is question 16 of DSSSB TGT Computer Science PYQ, 7 Feb 2024, Shift 2 (12:30 PM). 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.