SSC MTS & Havaldar 2023 · Question 8 of 83

The arithmetic mean of 𝑥 observation is m. If two observations 0 and m are added, then the new mean will be :

Answer: D. 𝑚(𝑥+1) 𝑥+2

Sum of x observations = mx If 0 and m is added, then New Sum = m + 0 + mx = m(x + 1) Total no. of observations = x + 2 Mean = m (x+1) x+2

Source: SSC MTS 2023 memory-based paper (based on 1st Sep 2023 exam) with solutions, via sscadda.com · memory-based

Practice the full SSC MTS & Havaldar 2023 paper

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SSC MTS & Havaldar 2023 · Question 8 of 83

Sum of x observations = mx If 0 and m is added, then New Sum = m + 0 + mx = m(x + 1) Total no. of observations = x + 2 Mean = m (x+1) x+2

Source: SSC MTS 2023 memory-based paper (based on 1st Sep 2023 exam) with solutions, via sscadda.com · memory-based

Practice the full SSC MTS & Havaldar 2023 paper

Timed test with all 83 questions, just like the real exam.