The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result? 1) 39 2) 78 3) 117 4) 156 Correct Answer: 78 The average of 3 consecutive even numbers is A. If next 5 even numbers are added, then what is the average of these 8 numbers? 1) A + 3 2) A + 4 3) A + 5 4) A + 7 Correct Answer: A + 5 The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers? 1) 41 2) 39 3) 42 4) 45 Correct Answer: 42 What is the average of all numbers between 9 and 90 which are divisible by 8? 1) 53 2) 52 3) 51 4) 50 Correct Answer: 52 What is the average of all numbers between 11 and 80 which are divisible by 6? 1) 46 2) 47 3) 44 4) 45 Correct Answer: 45 …show more content…
3 years ago, the average age of father and mother was 46 years. What is the present age (in years) of the son? 1) 20 2) 24 3) 26 4) 22 Correct Answer: 22 Average age of a team having 12 players is 23 years. If the age of the coach is also included, then the average age increases by 2 years. What is the age (in years) of the coach? 1) 41 2) 47 3) 49 4) 51 Correct Answer:
It is given that the competition increases by 2. Therefore, Average Rating decreases by 0.5798.
Jordan is one year younger than two-thirds the age of Jack. How old is Jordan if Jack is 30 years old?
Their scores are: 55, 47, 62, 27, 50, 49, 66, 53, 50, 44, 63, 59.
c. What is the probability of a score falling between a raw score of 81 and 83?
11) A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motorist for this trip?
The number 65 is the greatest outlier of the given values. The inbalanced influence of the integer can be highlighted by witholding 65 from the values and solving for the mean 13+3+35+19+12+15+5+42+11 = 155/9 = 17.22...
The average (mean) number of years lived in the current home is greater than or equal to 13 years
Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of four pictures from a selection of ten pictures is:
After this, you’d divide 2 with 2, and 2 with 8, which would give you a 4.
tuples are: 15, 19, 22, 25, 25, 45, 13, 16, 16, 33, 20, 20, 21, 22, 52, 70, 25, 25, 40, 46, 35,
10. What can we say about the credit balance for a customer that has a household size of 10? Explain your answer. We are 95% confidence that the mean of credit balance of house hold with size of 10 lie between (5927.0, 7320.4)
What is the value of the population mean? What is the best estimate of this value?
If the first exam is type 1 what is the mean number of exams until the class is first given an exam of type 3
A+C, and with A being 41 then C would have to be 38. Then I started to notice a pattern. The pattern was
While the obvious answer is ½ this is not true. Let us look at the possibilities possible: