Mathematics
Question
Edson
The average age of 25 pupils in a class is 16 years while the average age of 12 pupils is 20 years. What is the average age of 40 pupils.
Mathematics
Question
Edson
Neema is five times as old as her brother . If the sum of their age is 48 years. How old is her brother.
Mathematics
Question
Edson
The average of age of three boys is 26. Two of the boys are 24 years and 28 years respectively. Find the age of the third boy.
Mathematics
Question
Edson
John is thrice as old as his son. If his son is 16 years old. What is the sum of their age.
Mathematics
Question
Edson
The amount of 15000 shillings was collected after investing a certain amount of money at an interest rate of 10% compounded annually for 3 years. What was the principle invetsted initially?
Mathematics
Question
Edson
Find the amount at the end of 5 years after investing 50000 shillings at a compound interest rate of 5% annually.
Mathematics
Question
Edson
Find the compound interest on shillings 2000 invested at 8% per annum after 3 years.
Mathematics
Question
Edson
A rectangular plot of land has sides 90cm and 250cm. Find the length of a side of the square having the same area as this plot.
Mathematics
Question
Edson
The geometric mean of two terms 4 and p is 24. Find p
Mathematics
Question
Edson
Find the geometric mean of 49 and 81