The average (arithmetic mean) of 3 30 , 3 60 and 3 90 is :
The average (arithmetic mean) of 3 30 , 3 60 and 3 90 is :
Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1
Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1…
A set A consists of integers 27, 28, 30 and 33. If integer k is included in the
A set A consists of integers 27, 28, 30 and 33. If integer k is included in the set, the average of set A…
The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 wo
The average of the largest and smallest 3 digits numbers formed by 0, 2 and 4 would be :
The average age of 40 students of class is 18 years. When 20 new students are ad
The average age of 40 students of class is 18 years. When 20 new students are admitted to the same class, the average age…
The average of five numbers is 7. If three new numbers would be added, then the
The average of five numbers is 7. If three new numbers would be added, then the new average comes out to be 8.5. What…
The mean weight of 34 students of a school is 42 kg. If the weight of the teache
The mean weight of 34 students of a school is 42 kg. If the weight of the teacher be included, the mean rises by…
The average age of a family with 5 members is 28. If one of the 5 members of age
The average age of a family with 5 members is 28. If one of the 5 members of age 20 is excluded the average…
Five years ago, the average age of P and Q was 25. The average age of P, Q and R
Five years ago, the average age of P and Q was 25. The average age of P, Q and R today is 25. Age…
The average pocket money of 3 friend A, B, C is Rs. 80 in a particular month. If
The average pocket money of 3 friend A, B, C is Rs. 80 in a particular month. If B spends double and C spends…
If the mean of 4 observations is 20, when a constant ‘c’ is added to each observ
If the mean of 4 observations is 20, when a constant ‘c’ is added to each observation, the mean becomes 22. The value of…
The average age of group of 20 girls is 15 years and that of another group of 25
The average age of group of 20 girls is 15 years and that of another group of 25 boys it is 24 years. The…