state gov UP Police Head Operator (Radio Cadre) Mock Test Quantitative Aptitude Average

यदि 8 प्रेक्षणों x, x + 2, x + 4, x + 6,  x + 8, x + 10, x + 12, x + 14 का माध्य 15 है, तो अंतिम 3 प्रेक्षणों का माध्य क्या है?

1
20
2
18
3
22
4
19
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