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चार क्रमागत सम संख्याओ का औसत 15 है। दूसरी सबसे बड़ी संख्या ज्ञात करे?A. 12B. 18C. 14D. 16

Answer» Correct Answer - D
let the 4 even consecutive number x,x+2, x+4, x+6
According to the question
`(x+ x+2 +x +4 +x +6)/4`=15
4x+12=60
4x = 48 =x =12
`therefore 2^(nd)` highest number is = x+ 4 =12+4 =16


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