Subject
Quantitative Aptitude
Topic
Age
5 years ago,the average age of P and Q was 15 years average age of P,Q and R today is 20 years.How old will R be after 10 years?
5 years ago,the average age of P and Q was 15 years average age of P,Q and R today is 20 years.How old will R be after 10 years?
ক)
40খ)
30গ)
20ঘ)
65Explanation
(প্রশ্ন- ৫ বছর আগে P এবং Q এর বয়সের গড় ছিল ১৫ বছর।বর্তমানে P,Q এবং R এর গড় বয়স ২০ বছর। ১০ বছর পর R এর বয়স কত বছর হবে?) (P+Q) এর বর্তমান বয়স =২× (১৫+৫)=২×২০=৪০ বছর (P+Q+R) এর বর্তমান বয়স =২০×৩=৬০ বছর অতএব R এর বর্তমান বয়স ৬০ - ৪০ =২০ তাহলে ১০ বছর পর R এর বয়স হবে =২০+১০=৩০ বছরRelated questions
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