576 .
A train which has 390 m long, is running 45 kmph. In what time will it cross a person moving at 9 kmph in same direction ?

A. | 24 sec | B. | 29 sec |

C. | 33 sec | D. | 39 sec |

577 .
Two persons start running simultaneously around a circular track of length 400 m from the same point at speeds of 15 kmph and 25 kmph. When will they meet for the first time any where on the track

A. | 29 sec | B. | 32 sec |

C. | 36 sec | D. | 42 sec |

578 .
What is the amount of equal installment, if a sum of Rs. 1428 due 2 years hence has to be completely repaid in 2 equal annual installments starting next year?.

A. | 700 | B. | 800 |

C. | 650 | D. | cannot be determined |

579 .
A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

A. | 8.5 km/hr | B. | 10 km/hr |

C. | 12.5 km/hr | D. | 9 km/hr |

580 .
In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

A. | 12 km/hr | B. | 11 km/hr |

C. | 10 km/hr | D. | 8 km/hr |

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