ആദ്യത്തെ 5 ഒറ്റ എണ്ണൽസംഖ്യയുടെ ശരാശരി എന്ത് ?
A4.3
B4
C6
D5
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മൂന്ന് സംഖ്യകളിൽ, ആദ്യത്തേത് രണ്ടാമത്തേതിന്റെ ഇരട്ടിയും രണ്ടാമത്തേത് മൂന്നാമത്തേതിൻ്റെ മൂന്ന് മടങ്ങുമാണ്. മൂന്ന് സംഖ്യകളുടെ ശരാശരി 10 ആണെങ്കിൽ, ഏറ്റവും വലിയ സംഖ്യ ഏത്
At the time of marriage, the average age of a couple was 22 years. If they had a child after 3 years, what would be the average age of the family?
20 students of a college went to a hotel. 19 of them spent Rs. 175 each on their meal and the 20th student spent Rs. 19 more than the average of all the 20. Find the total money spent by them.
In class IX, the average of marks in science for six students was 48. After result declared, it was found in case of one student, the marks 45 were misread as 54. The correct average is :
When 2 is subtracted from each of the given n numbers, then the sum of the numbers so obtained is 102 . When 5 is subtracted from each of them, then the sum of the numbers so obtained is 12. What is the average of the given n numbers?