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Subject :IMO    Class : Class 3

The weight of a big metal ball is 45 kg. What is the weight of a small metal ball?


A 12 kg
B 10 kg
C 15 kg
D 30 kg


please explan the example

Ans 1:

Class : Class 7
answer-15

Ans 2:

Class : Class 3
15kg

Ans 3:

Class : Class 9
Answer c cause there are four balls in each and 45 +45 =90,90/6=15

Ans 4:

Class : Class 4
15 kg

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