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1. A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:

250 | 276 | 280 | 285 |

2. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

76 kg | 76.5 kg | 85 kg | Data inadequate |

3. The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

47.55 kg | 48 kg | 48.55 kg | 49.25 kg |

4. A pupils marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:

10 | 20 | 40 | 73 |

5. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.

70 | 75 | 80 | 85 |

6. Average of first five multiples of 3 is

9 | 11 | 13 | 15 |

7. Average weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then weight of the new man is

50 | 55 | 60 | 65 |

8. Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number is

35 | 45 | 55 | 65 |

9. Find the average of all numbers between 6 and 34 which are divisible by 5

15 | 20 | 25 | 30 |

10. A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is

36.5 km/hr | 37.5 km/hr | 33.5 km/hr | 66.5 km/hr |

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