ആദ്യത്തെ n ഇരട്ടസംഖ്യകളുടെ ശരാശരി എത്ര?
An
Bn+1
Cn-1
Dn+1/2
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Related Questions:
The average age of 25 students and teacher is 15 years. If the age of the teacher is excluded, then the average is decreased by one year. Find the age of the teacher?
65 കിലോ ഭാരമുള്ള ഒരാളെ മാറ്റി പുതിയ ആളെ നിയമിക്കുമ്പോൾ 8 ആളുകളുടെ ശരാശരി ഭാരം 1.5 ആയി വർദ്ധിക്കുന്നു. പുതിയ ആളുടെ ഭാരം എന്തായിരിക്കാം.
Average present age of Father, Mother and daughter is 26 years. Average age of Father and daughter five years ago is 21 years then find the age of mother after 10 years?
The average score of Sneha, Jothi and Prakash is 48. Sneha is 6 marks less than that of Praveen and 4 marks more than that of Prakash. If Praveen scored 18 marks more than the average of Sneha, Jothi and Prakash, what is the sum of Jothi and Prakash score?
The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?