MCA Exam

The average temperature at noon on 14 consecutive days was 26.5 degree centigrade .During these days the lowest temperature was 19.2 degree centigrade and the highest temperature was 40.8 degree centigrade. If on two days the temperature was the same as the average, what was the average temperature for the remaining 10 days?

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MCA Other Question
The foot of the perpendicular drawn from (2,1) to the line y=x is ?

a)(3/2,3/2)
b) (1/2,1/2)
c) (3,3)
d) (2,2) In a school, three classes took the same examination.class A contained 30 pupils and the average mark for the class was 66.class B contained 22 pupils and the average mark for the class was 56.class C contained 20 pupils.The average obtained by all the pupils together was 1.5.calculate the average mark of class C.