Variation Jamb Mathematics Past Questions
Question 11
If p varies inversely as the square of q and p=8 when q=4, find q when p=32
- A. \(\pm\)16
- B. \(\pm\)8
- C. \(\pm\)4
- D. \(\pm\)2
Question 12
W is directly proportional to U. If W = 5 when U = 3, find U when W = 2/7
- A. 6/35
- B. 10/21
- C. 21/10
- D. 35/6
Question 13
If y varies directly as the square root of x and y= 3 when x = 16. Calculate y when x = 64
- A. 12
- B. 6
- C. 3
- D. 5
Question 14
y varies directly as w^2. When y = 8, w = 2. Find y when w = 3
- A. 18
- B. 12
- C. 9
- D. 6
Question 15
P varies directly as Q and inversely as R. When Q = 36 and R = 16, P = 27. Find the relation between P, Q and R.
- A. \(P = \frac{Q}{12R}\)
- B. \(P = \frac{12Q}{R}\)
- C. \(P = 12QR\)
- D. \(P = \frac{12}{QR}\)
