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Question 1
The average weight of 34 students in a class is 35 kg. If the teacher is also included, the average weight increases by 1.2 kg. Find the weight of the teacher?
Question 2
The average of 12 numbers is 9. If each number is multiplied by 2 and added to 3, the average of the new set of numbers is
Question 3
The average of x, y and z is 60. x is as much more than the average as y is less than the average. Find the value of z.
Question 4
The average wage of a worker for 15 days was Rs. 95 per day. During the first 7 days, his average wage was Rs. 92 per day and the average wage during the last 7 days was Rs. 97 per day. What was his wage on 8th day?
Question 5
Ravi has an average exam score of 56 till the third semester of his graduation. He got ill and could not take the fourth semester examination. His medical certificate was accepted but no marks were awarded to him in lieu of it. Ravi worked really hard in the fifth semester but his average could still touch only 50 after fifth semester. How much Ravi needs to score in the sixth semester in order to take his average again to 56?
Question 6
The average marks of 40 students in an English exam is 72. Later it is found that three marks 64, 62 and 84 were wrongly entered as 68, 65 and 73. The average after mistakes were rectified is
Question 7
After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. The difference between the ages of the replaced and the new member is
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Aug 30SSC & Railway
