Subject :IMO Class : Class 3
Use the given figure and answer the question:
The value after deducting the mass of two balls from dogs mass will be equal to
A20 kg
B30 kg
C40 kg
D10 kg
very easy question know
Ans 1:
Class : Class 6
Should be 20 Kg. The mass of 3 balls together is 15 kg implies that weight of one ball is 5 kg. Now dog is equal to 30 kg since there are 6 balls on balance. So deducting mass of two balls which equals (5+5=10 kg), it will be 20 kg.
Ans 2:
Class : Class 6
30kg