Mr Daniels Maths
Proportion Inverse

Easy

Medium

Difficult

Q1) If y is inversely proportional to x. If y= 2 and x = 8.
What is the equation linking x to y?
y =\(16 \over x \)
Q1) If y is inversely proportional to x. If y= 10 and x = 60.
What is the value of y when x =32?
y = 18.75
Q1) If y is inversely proportional to \(x^3 \). If y= 6.263666180758E-5 and x = 56.
What is the value of y when x =92?
y = 8565568
Q2) If y is inversely proportional to x. If y= 16 and x = 7.
What is the equation linking x to y?
y =\(112 \over x \)
Q2) If y is inversely proportional to x. If y= 7 and x = 60.
What is the value of y when x =37?
y = 11.351351351351
Q2) If y is inversely proportional to \(x^2 \). If y= 0.0011259148057797 and x = 73.
What is the value of y when x =16?
y = 1536
Q3) If y is inversely proportional to x. If y= 16 and x = 10.
What is the equation linking x to y?
y =\(160 \over x \)
Q3) If y is inversely proportional to x. If y= 3 and x = 81.
What is the value of y when x =65?
y = 3.7384615384615
Q3) If y is inversely proportional to \(x^3 \). If y= 3.0154314705505E-5 and x = 51.
What is the value of y when x =25?
y = 62500
Q4) If y is inversely proportional to x. If y= 19 and x = 7.
What is the equation linking x to y?
y =\(133 \over x \)
Q4) If y is inversely proportional to x. If y= 8 and x = 43.
What is the value of y when x =74?
y = 4.6486486486486
Q4) If y is inversely proportional to \(x^2 \). If y= 0.0027041644131963 and x = 86.
What is the value of y when x =3?
y = 180
Q5) If y is inversely proportional to x. If y= 17 and x = 6.
What is the equation linking x to y?
y =\(102 \over x \)
Q5) If y is inversely proportional to x. If y= 9 and x = 95.
What is the value of y when x =80?
y = 10.6875
Q5) If y is inversely proportional to \(x^2 \). If y= 0.0020811654526535 and x = 93.
What is the value of y when x =62?
y = 69192
Q6) If y is inversely proportional to x. If y= 20 and x = 5.
What is the equation linking x to y?
y =\(100 \over x \)
Q6) If y is inversely proportional to x. If y= 3 and x = 82.
What is the value of y when x =87?
y = 2.8275862068966
Q6) If y is inversely proportional to \(x^3 \). If y= 0.0037565740045079 and x = 11.
What is the value of y when x =44?
y = 425920
Q7) If y is inversely proportional to x. If y= 10 and x = 9.
What is the equation linking x to y?
y =\(90 \over x \)
Q7) If y is inversely proportional to x. If y= 6 and x = 87.
What is the value of y when x =51?
y = 10.235294117647
Q7) If y is inversely proportional to \(x^3 \). If y= 4.66472303207E-5 and x = 70.
What is the value of y when x =73?
y = 6224272
Q8) If y is inversely proportional to x. If y= 9 and x = 8.
What is the equation linking x to y?
y =\(72 \over x \)
Q8) If y is inversely proportional to x. If y= 15 and x = 21.
What is the value of y when x =98?
y = 3.2142857142857
Q8) If y is inversely proportional to \(x^3 \). If y= 6.2887544492938E-6 and x = 86.
What is the value of y when x =75?
y = 1687500
Q9) If y is inversely proportional to x. If y= 13 and x = 5.
What is the equation linking x to y?
y =\(65 \over x \)
Q9) If y is inversely proportional to x. If y= 15 and x = 31.
What is the value of y when x =14?
y = 33.214285714286
Q9) If y is inversely proportional to \(x^2 \). If y= 0.014444444444444 and x = 30.
What is the value of y when x =96?
y = 119808
Q10) If y is inversely proportional to x. If y= 17 and x = 9.
What is the equation linking x to y?
y =\(153 \over x \)
Q10) If y is inversely proportional to x. If y= 12 and x = 65.
What is the value of y when x =27?
y = 28.888888888889
Q10) If y is inversely proportional to \(x^2 \). If y= 0.001207583625166 and x = 91.
What is the value of y when x =90?
y = 81000