Q is directly proportional to √p Q = 21 when p = 9, the value of Q when p = 81 is
A. 63
B. 64
C. 56
D. 67
Related Questions on Chapter 4: Direct & Inverse Proportions - Math Mcqs for Grade 7
Y is directly proportional to x², x = 2 and y = 20, value of x when y = 1.25 is
A. 0.3
B. 0.6
C. 0.5
D. 0.8
A. inversely related to each other
B. directly related to each other
C. not related
D. none of above
7 identical pipes fill 3 identical tanks 45mins, 5 pipes fill one of these tanks in
A. 20min
B. 21min
C. 15min
D. 10min