1) How many planets are there in solar system a) 8 b) 7 c) 5 d) 9 2) which planet is nearest to the sun a) Mercury b) venus c) earth d) mars 3) which is the largest planet in the solar system a) jupiter b) Earth c) mars d) neptune 4) which planet is exist life a) earth b) moon c) mars d) saturn 5) which planet is known as red planet a) mars b) earth c) jupiter d) Mercury

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