The average of marks scored by the students of a class is 68. The average of the girls in the class is 80 and that of boys is 60. What is the percentage of boys in the class?
A40 %
B60 %
C65 %
D70 %
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The average age of 50 teachers of a school is 66 years and the average age of 60 teachers of another school is 55 years. What will be average age of teachers of both the schools together?
പത്ത് സംഖ്യകളുടെ ശരാശരി 125 ആണ്. ഇതിൽ നിന്നും ഒരു സംഖ്യ ഒഴിവാക്കിയപ്പോൾ ശരാശരി 118 ആയി എങ്കിൽ ഒഴിവാക്കിയ താഴെത്തന്നിരിക്കുന്നതിൽ സംഖ്യ ഏത്?
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