engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Mathematics Statistics Measures of Central Tendency

4, 9, 8 तथा x + 2 का माध्य 7 है तथा 20, 3, 8, x + 2, y + 2 का माध्य 11 है। y का मान ज्ञात कीजिए। 

1
7
2
11
3
13
4
15
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