All problems on Average May 13, 2020 CODE OF GEEKS 1 View Problems in : List View | Interactive View Welcome to your Problems on Average The average of first five multiples of 2 is : 68510 The average of first 3 prime numbers is : 33.333.24 If the average of 6 numbers (10, 20, 40, 60, 70, x) is 45. Find the value of x.604570None of these If the mean of a, b, c is M and ab + bc + ca =0, then mean of a^{2}, b^{2}, c^{2} is :6(M^2)(M^2)3(M^2)9(M^2) The mean of 1^{2}, 2^{2}, 3^{2}, 4^{2}, 5^{2}, 6^{2}, 7^{2} is :30401020 If a, b, c, d, e, are five consecutive odd numbers, their average is :abcde/55(a+4)5(a+b+c+d+e)None of these Average of a non-zero number and its square is 5 times the number. Find the number.1991017 A website has an average of 510 users on Sundays and 240 on other days. The average number of users per day in a month of 30 days beginning with a Sunday is : 276280285250 A bike owner buys petrol at Rs. 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. Find its average cost per litre of petrol if he spends Rs. 4000 each year.Rs. 7.98Rs. 8.50Rs. 9Rs. 8 The average price of 10 books is Rs. 12 while the average price of 8 of these books is Rs. 11.75. Of the remaining two books, if the price of one book is 60% more than the price of other, what is the price of each of these two books ?Rs. 12, Rs. 16Rs. 10, Rs. 16Rs. 12, Rs. 14Rs. 8, Rs. 12 If the arithmetic mean, of seventy-five numbers is calculated, it is 35. If each number is increased by 5, then mean of new numbers is :30709040 The bowling average of Pumrah in 11 matches in 10.9. If the bowling average of first six matches is 10.5 and that of last six numbers is 11.4, then, the middle number is :11.311.51111.4 The average weight of Ram, Shyam, Bhola is 45 kg. If the average weight of Ram and Shyam is 40 kg and that of Shyam and Bhola is 43kg, then weight of Shyam is :17 kg20 kg26 kg31 kg The average of five consecutive numbers in N. If the next two numbers are also included, then average will :remain the sameincrease by 1.4increase by 2increase by 1 The average of the two-digit numbers, which remain the same when the digits interchange their positions, is :66554433 If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is :5554.6853.33None of these A pupil’s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half. The number of pupils in the class is :10407320 In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course ?1218246 A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. Find the number of points scored by team.657658652665 A Student’s marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half. The number of students in the class is :45403941 Time is Up!

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