Two quantities x and y are said to be in inverse variation if xy = k

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Two quantities x and y are said to be in inverse variation if
(a) xy = k
(b) x ∝ \frac{1}{y}
(c) x = \frac{k}{y}
(d) all of these

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 9 Direct and Inverse Variation Objective Type Questions 4

If 12-metre wire costs ₹24, then the cost of 8-metre wire is
(a) ₹16
(b) ₹20
(c) ₹12
(d) ₹18

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 9 Direct and Inverse Variation Objective Type Questions 5

If 5 kg wheat cost ₹60, then cost of 20 kg wheat is
(a) ₹200
(b) ₹210
(c) ₹220
(d) ₹240

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 9 Direct and Inverse Variation Objective Type Questions 6

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