# Clock puzzles Questions

A) 541 times | B) 540 times |

C) 450 times | D) 275 times |

Explanation:

There are 60 minutes in an hour.

In ¾ of an hour there are (60 × ¾) minutes = 45 minutes.

In ¾ of an hour there are (60 × 45) seconds = 2700 seconds.

Siren sounds for every 5 seconds.

In 2700 seconds = 2700/5 = 540 times.

The count start after the first sound, the Siren will sound 541 times in ¾ of an hour.

A) 36 minutes | B) 48 minutes |

C) 35 minutes | D) 60 minutes |

Explanation:

For 1 hour, 20 minutes is slower, then for

06 miuntes - 2 minutes is slower

30 minutes - 10 minutes

Actual time | false time

12 12

01 PM 12:40 PM (20 minutes slower)

02 PM 01:20 PM

03 PM 02:00 PM

So, when actual time is 3pm, the false time is 2 pm.

So, it loses 60 minutes when it shows 2 pm.

A) 12 | B) 24 |

C) 44 | D) 60 |