Planet X is closer to Sun than planet Y.
It can be inferred that ________.
A Planet X has longer revolution period than planet Y
B Planet Y has longer revolution period than planet X
C Planet X has longer rotation period than planet Y
D Planet Y has longer rotation period than planet X
Ans 2:
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Class : Class 7
Answer is B . If we imagine that the planet X is mercuryAnd planet Y is Mars who will take more time it will be Mercury because it is near to the sun and will revoluteFaster than Mars
Ans 6:
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Ans 9:
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Class : Class 9
B because it means ( here ) that orbit will be bigger as a planet is away from sun and, longer distance means long revolution