ICSE Class 8 - Unitary Method and Its Applications Videos
Direct and Inverse Variations
Direct and Inverse Variations, Unitary Method and Its Applications
- In a combined test on Maths & Science, 7.5% failed in Maths, 22.5% failed in Science, & 5% failed in both the subjects. If 120 students passed in both the subjects, how many students attempted the test?
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