The average of 11 results is 60. If the average of the first 6 results is 59 and that of the last six is 62. Find the sixth result?
A56
B42
C66
D74
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4 years ago, the average age of the family of 5 members is 23 years. A baby is born now; the average age of the family is same as before. Find the age of the baby?
For a grouped data, if , is the class mark and is the corresponding frequency, then by direct method, mean x is
given by:
5 ഒറ്റ സംഖ്യകളുടെ ശരാശരി 27 ആണ്. ആദ്യത്തേയും അവസാനത്തേയും സംഖ്യകളുടെ ഗുണനഫലമെന്താണ്?
തുടർച്ചയായ അഞ്ച് ഒറ്റ സംഖ്യകളുടെ ശരാശരി 61 ആണ് . ചെറുതും വലുതുമായ സംഖ്യകൾ തമ്മിലുള്ള വ്യത്യാസം എന്ത് ?
The average of numbers N1 and N2 is 17. The average of numbers N2 and N3 is 44. What is the difference between N3 and N1?