Question 31
If p varies inversely as the square root of q, where p = 3 and q = 16, find the value of q when p = 4.
Variation
Question 16
The time taken to a piece of work is inversely proportional to the number of men employed. If it takes 45 men to do a piece of work in 5 days, how long will it take 25 men?
Question 30
If p varies inversely as the square of q and p = 4, find p when q = 2
Question 8
If y varies directly as x, find the constant of variation when y = 12 and x = 4
Question 6
y is inversely proportional to x and y = 6 when x =7. Find the constant of variation.
Question 40
If x varies directly as the square of P and inversely as Q, and x = 25 when P = 4 and Q = 2, find x when P = 6 and Q =3
Question 5
x varies directly as y2 and x = 4, when y = 6. Find the value of y when x =16.
Question 16
P varies directly as Q and inversely as R , when Q = 36 and R =16 , R = 27. Find the relation between P, Q and R
Question 15
y varies directly as w2 . When y = 8, w = 2. Find y when x = 3
Question 41
The pie charts above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many students offer Mathematics