The average marks in Science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average?
68.5
69
69.5
70
66
This has been asked in Question Paper
IBPS PO Prelims 2016
AttemptMore Questions From Paper
Chapters. Ratio and Proportion
Perimeter of a rectangle is x and circumference of a circle is 8 more than the perimeter of the rectangle. A ratio of radius of circle and length of the rectangle is 1:2 and ratio of length and breadth of the rectangle is 7:3. Find the length of the rectangle?
Chapters. Problems on Ages
A is 2 years older than B while B is 3 year younger than C. The ratio of age of A 6 years hence and B 2 years ago is 5:3. What was age of C 6 years ago?
Chapters. Probability
Find the probability that a number from 1 to 300 is divisible by 3 or 7 ?
Chapters. Simple Interest
A invest on some scheme at 5% and B at 3% for two years. If the total sum invested by A and B is 4000 and the simple interest received by both is same then find the amount invested by A?
Exams
IIT JEE
Support