ആദ്യത്തെ 8 ഒറ്റ സംഖ്യകളുടെ ശരാശരി എത്ര ?
A8
B16
C20
D15
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Average age of 3 children born at intervals of 2 years is 8. How old is the eldest child?
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8 പേരുള്ള ഒരു സംഘത്തിൻ്റെ ശരാശരി തൂക്കം 37 കി.ഗ്രാം.എന്നാൽ 31 കി.ഗ്രാം എന്ന ഒരാളുടെ ഭാരം 63 കി.ഗ്രാം എന്ന് തെറ്റായി രേഖപ്പെടുത്തിയാണ് ശരാശരി കണ്ടെത്തിയത്.എങ്കിൽ യാഥാർത്ഥ ശരാശരി എത്ര?
The average salary per head of all the employees of an institution is Rs.60. The average salary of 12 officers is Rs.400, the average salary per head of the rest is Rs.56.The total number of employees in the institution is:
The average monthly expenditure of a man is Rs.2400 during the first three month, Rs 3,500 during the next five months and Rs 4,800 for the remaining four months. If his total saving is Rs.3,500 during the entire year. then what is his average monthly income (in Rs)?