alleryStart learning →A class of 30 pupils has an average mark of 45. What is the total of all their marks?
A1305
B1400
C1350
D1250
Answer & Solution
Correct answer: C. 1350
Total equals average times count, so 45 x 30 gives 1350.
Keep practising Averages
Browse all Averages questions for SSC CGL, or explore more Quantitative Aptitude topics.
Related questions
Two equal-sized groups have means 40 and 60. What is the mean of the two groups combined?For heavily skewed data such as personal incomes, which average is usually reported?In teaching, which three measures are sometimes called 'the three Ms' of average?The simple arithmetic mean is a special case of a weighted average in which the weights arWhat defines a weighted mean?Per capita income of a nation is best described as which of these?What does the plain arithmetic mean of 1 degree and 359 degrees give for these two angles?For which data set are the mean and the median always equal?