Important Question- The present ages of A and B are in the ratio 4:5
The present ages of A and B are in the ratio 4:5 and after 5 years they will be in the ratio 5: 6. Then the present age of A is.
Important Question- The average age of 9 students and their teacher
The average age of 9 students and their teacher is 16 years . The average age of the first four students is 19 years and that of the last five is 10 years. The teacher’s age is.
Five years ago, the average age of P, Q and R
Five years ago, the average age of P, Q and R was 25 years and seven years ago, the average age of Q and R was 20 years. The present age of P is.
Important Question- The average age of A and B is 30 years.
The average age of A and B is 30 years and that of B and C is 26 years. The difference of the age of A and C is.
Important Question- In a school with 600 students, the average age.
In a school with 600 students, the average age of the boys is 12 years and that of the girls is 11 years. If average age of the school is 11 years and 9 months, then the number of...
The average of 11 results is 50..
The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, the sixth number is.
A. 48
B. 50
C. 52
D. 56
Answer:...
The mean temperature of Monday..
The mean temperature of Monday to Wednesday was 37°C and of and of Tuesday to Thursday was 34°C. If the temperature on Thursday was $Largefrac{4}{5}$ that of Monday, the temperature of Thursday was-
A....
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Of four numbers whose average is 60…
Of four numbers whose average is 60, the first is one-fourth of the sum of the last three....
