Question
The mode (correct to two decimal places) for the given
data is:Solution
The correct answer is B
Average of 15 observations calculated by a student was 70 but when he again went through his observations he realised that he took value of three observ...
The average age of a class of 24 girls is 15 years. If 6 new girls having average age of 10 years join the class, then the average age of the class beco...
The average wage of a group of 20 labourers is Rs. 500. If 4 persons receiving average wage of Rs. 360 leave the group and 2 persons receiving average w...
The average of 8 numbers is 22. When two new numbers 'p' and 'q' are added, the average increases by 3. If p - q = 10, find the value of q.
Average of A, B and C is 30 and that of C, D and E is 19. The average of A and E is 23 and that of B and E is 24. Find the value ...
If a:b:c = 3:4:6, and (5a + 3c) = 132, then find the value of '3b'.
The average weight of a group of five persons, A, B, C, D, and E is 70 kg. If another person K joins the group then the average weight of the group is d...
- The average of 36 values is 92. What will be the average if every value is multiplied by 9?
The total number of teachers in Department A and Department B together is 112. The number of teachers in Department A is 80% more...
- The average age of (x + 3) students of a class is 12 years. If the 42 years old class teacher is also included then average age of the class gets increased...
