# Puzzles Questions

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390

Q:

A) 5 degrees | B) 10 degrees |

C) 15 degrees | D) 25 degrees |

Answer & Explanation
Answer: B) 10 degrees

Explanation:

Explanation:

Since at 4 : 20 the minute hand will be at 4 and the angle between them will be same as the distance covered in degree by the hour hand in 20 minutes.

Required angle = distance of hour hand = speed × time = × 20 =10 degrees.

3
317

Q:

A) 541 times | B) 540 times |

C) 450 times | D) 275 times |

Answer & Explanation
Answer: A) 541 times

Explanation:

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 = 540 times.

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

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