Finding the Unknown Class 7 Solutions Maths Ganita Prakash Part 2 Chapter 7
Finding the Unknown Class 7 Solutions Maths Ganita Prakash Part 2 Chapter 7 Page 164 – 165 Q. Find the unknown weights in the following cases: Solution: (i) Fig 7.1: Total weight = 16, Weight on either side = 8. (ii) Fig 7.2: Total weight = 24, Weight on either side = 12. (iii) Fig 7.3: Total weight = 8, Weight on either side = 4. (iv) Fig 7.4: Total weight = 18, Weight on either side = 9. (v) Fig 7.5: Total weight = 40, Weight on either side = 20. (vi) Fig 7.6: (vii) Fig 7.7: (viii) Fig 7.8: Page 165 – 166 Q. Find the unknown weight of the sack in the following cases. In Fig. 7.10, all the sacks have the same weight. [Hint: If we remove equal weights from both the plates, will the weighing scale still be balanced? Remove one sack from each plate for Fig. 7.10.] [Hint: Can you remove objects so that the sacks are only on one plate?] Solution: (i) Fig 7.9: After removing 2 kg of weight from both plates, we get 1 sack = 10 kg (ii) Fig 7.10: After removing 1 sack from both plates, we ...