The sum of n numbers is greater than 48. If the average (arithmetic mean) of the

游客2025-02-23 37

问题 The sum of n numbers is greater than 48. If the average (arithmetic mean) of the n numbers is 1.2, what is the least possible value of n? ________.

选项

答案 41

解析根据题目，1.2n＞48→n＞40，n是正整数，n最小是41，故答案是41。

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The sum of n numbers is greater than 48. If the average (arithmetic mean) of the

Thesumofnnumbersisgreaterthan48.Iftheaverage(arithmeticmean)ofthe

xisanintegergreaterthan3.QuantityA:Thenumberofevenfactorsof2xQua

Ifn=pqr,wherep,q,andrarethreedifferentprimenumbers,howmanydiffere

78：S={1,3,5,7,…,397,399}SetSconsistsoftheoddnumbersfrom1to399,inc

Ifpandnareprimenumbers,p-n=4,and1.5＜p/n＜2,whatisthevalueofp?_____

Thefunctionfhasthepropertythatf(x)=f(x+1)forallnumbersx.Iff(5)=

Whatisthesumofthefirst8oddintegersthataregreaterthanzero?A、80B、25

Whichofthefollowingcannotbeexpressedasthesumoftwoprimenumbers?A、21

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