首页
登录
职称英语
Since my birth I have had a birthday cake with candles, one for each year of my
Since my birth I have had a birthday cake with candles, one for each year of my
游客
2024-08-08
19
管理
问题
Since my birth I have had a birthday cake with candles, one for each year of my birthdays. To date, I have had 325 candles. How old am I?
选项
答案
25
解析
假设当前年龄是n,则此时需要的蜡烛的总数为n(n+1)/2=325,可以解得n=25.
转载请注明原文地址:http://tihaiku.com/zcyy/3710599.html
相关试题推荐
Howoldwouldapersonbornin50BCbeontheirbirthdayin50AD?99
Atabirthdayparty,halftheguestsdrinkcola,aquarterhavelemonade,asixt
Oneverybirthdaysinee1wasborn,Ihavehadacakedecoratedwiththeappropr
SincemybirthIhavehadabirthdaycakewithcandles,oneforeachyearofmy
John:I’mjustgoingoutforanewspaper.______.Liza:It’sSarah’sbirthdayto
Doyousometimesforgetbirthdaysorimportantappointments?Don’tworry!No
Doyousometimesforgetbirthdaysorimportantappointments?Don’tworry!No
Doyousometimesforgetbirthdaysorimportantappointments?Don’tworry!No
Doyousometimesforgetbirthdaysorimportantappointments?Don’tworry!No
[originaltext]IwasexcitedasIhadbeeninvitedtogotoTori’sbirthdayp
随机试题
BythetimeBobarrivesinBeijing,wehavealreadyarrivedherefortwodays.A、
SalesWhenastoresells【T1】______atacostlowerthanusual,itiscall
Normallyastudentmustattendacertainnumberofcoursesinordertogradu
[originaltext]M:Hello,Mary.W:Hi,John.Now,let’sbeginwithaquestion.It
失能调整年
重力坝地基处理的主要任务是()。A.防渗 B.提高基岩的强度 C.提高基
"善补阳者,必于阴中求阳"的理论依据是A.阴阳对立 B.阴阳平衡 C.阴阳交
与项目建设有关的工程建设其他费用有()。A:建设管理费 B:可行性研究费
A.恶性贫血 B.胆汁分泌不足所致出血 C.缺铁性贫血 D.血小板减少症
(2016年真题)甲公司拟加盟乙快餐集团,乙集团对加盟企业采取不从零开始的加盟政
最新回复
(
0
)