Question
The extent to which a test measures what it purports to
measure is called _______.Solution
The correct answer is A
A number is such that when it is multiplied by 9, it gives another number which is as much above from 420 as the original number (itself) is below 420. ...
The average weight of 5 students in a study group is 38 kg. If the weight of 2 mentors is also included, then the new average weight of each person (men...
The average age of 12 girls is 35 years. If the age of two more girl is added the average decreases by one and a half year. What is the sum of the age o...
The average expenditure of a man for the first 7 month is Rs.5000 and for the next 5 months is Rs.8000. If he saves 12000 in that year then find his ave...
The average rainfall recorded over the first three days of a week was 85 cm, whereas the average for the last three days was 92 cm. If the weekly averag...
The average mark obtained by Khushi in four papers was 51, and in the fifth paper, she obtained 56 marks. Find his new average in all five papers.
- The average of 36 numbers is 75. If every number is multiplied by 9, what will be the average of the resulting numbers?
The average expenditure of a man for the first five month is Rs.14000 and for the next seven months is Rs.12000. If he saves 17000 in that year then fin...
The average weight of 12 players in a team is increased by 1/3 kg, when one of the players whose weight is 55 kg is replaced by another player. What is ...
The average marks of 50 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 83 instead of 38...
