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
18
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
Paymentcan(make)_____onlinefromyourcheckingorsavingsaccount.bemade考查被动语
Threekeyfactsaboutrisingsealevelsneedtobepointedouttotheworld’
Palenquewasfoundedthreecenturiesagobyrunawayslavesinthejungleof
[originaltext]M:Thanksforstoppingby,Ann.I’dliketotalktoyouaboutar
根据《期货交易管理条例》,期货公司股东以期货公司经营必需的货币财产出资的,货币出
成人多尿是指尿量( )。A.>1000ml/24h B.>1500ml/24
下列药物常与麦角胺配伍治疗偏头痛的是A、尼可刹米 B、洛贝林 C、咖啡因
2020年1—12月,我国稀土及其制品出口量环比上升的月份有几个?A.5
抗战时期文化界提出的文艺创作的三大目标是( ) A.抗战 B.团结 C.
甲企业于2013年1月注册成立,适用企业所得税税率25%。筹办期截至
最新回复
(
0
)