The average age of 10 members of a family is 34 years. If the youngest member is 7 years old, what was the average age (in years) of the family members just before the birth of the youngest member?
A31
B28
C32
D30
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Related Questions:
Lalit's average earning per month in the first three months of a year was ₹4080. In April, his earning was 75% more than the
average earning in the first three months. If his average earning per month for the whole year is ₹66405, then what will be
Lalit's average earning (in ₹) per month from May to December?
7 ൻ്റെ ആദ്യ 35 ഗുണിതങ്ങളുടെ ശരാശരി എത്ര?
അനിതയ്ക് തുടർച്ചയായ ആറു മാസങ്ങളിൽ ലഭിച്ച ശരാശരി വേതനം 3500 രൂപയാണ്. ഏഴാമത്തെ മാസം എത്ര രൂപ ലഭിച്ചാൽ അനിതയുടെ ശരാശരി വേതനം 3750 രൂപയാകും?
The average of the marks of 14 students in a class is 66. If the marks of each student are doubled, find the new average?
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?