Home
Class 14
REASONING
A one-rupee coin is placed on a plain pa...

A one-rupee coin is placed on a plain paper. How many coins of the same size can be placed round it so that each one touches the central and adjacent coins?

A

1. 3

B

2. 4

C

3. 7

D

4. 6

Text Solution

Verified by Experts

The correct Answer is:
D

The coins can be placed in the following pattern such that each one touches the central and adjacent coins.

Therefore, the number of coins of the same size that can be placed around the central coin = 6.
Promotional Banner

Topper's Solved these Questions

  • MATHEMATICAL ABILITY AND REASONING

    LUCENT PUBLICATION|Exercise EXERCISE (Type-I: Calculation Based Problems)|47 Videos
  • MATHEMATICAL ABILITY AND REASONING

    LUCENT PUBLICATION|Exercise EXERCISE (Type-II: Figure Based Problems)|5 Videos
  • LOGICAL VENN DIAGRAMS

    LUCENT PUBLICATION|Exercise EXERCISE -4|3 Videos
  • MATHEMATICAL OPERATIONS

    LUCENT PUBLICATION|Exercise EXERCISE-3|34 Videos

Similar Questions

Explore conceptually related problems

A one-rupee coin is placed on a plain paper. How many coins of the same size can be placed round it so that each one touches the centre and adjacent coins? (a) 3 (b) 4 (c) 6

Three coins of the same size (radius 1 cm) are placed on a table such that each of them touches the other two. The area enclosed by the coins is

Three coins of the same size (radius 1 cm) are placed on a table such that each of them touches the other two. The area enclosed by the coins is

A one rupee coin is congruent to a five rupee coin. (True/False)

If three one rupee coins can be placed around a ten-paise coin such that each one rupee coin touches the ten paise coin as well as the other two one-rupee coins,the ratio of the radii of the one rupee and ten paise coin is:

A bag contains three types of coins - 1-rupee coins,50 p-coins and 25 p-coins totalling 175 coins.If the total value of the coins of each kind be the same,the total amount in the bag is (a) Rs 75 (b) Rs 126 (c) Rs 175 (d) Rs 300

if three 1rupee coin can be placed around a 10 paise coins such that each one rupee coin touches the 10 paise coin as well as the other 1 rupees coins,the ratio of the radii of 1 rupee and 10 paise coin is:

A bag contains 12 two rupee coins, 7 one rupee coins and 4 half a rupee coins. If three coins are selected at random, p=probability that the sum of the three coins is maximum, q=probability that the sum of the three coins is minimum,r=probability that each coin is of different value. Arrange p,q and r in increasing order of magnitude.

LUCENT PUBLICATION-MATHEMATICAL ABILITY AND REASONING-EXERCISE (Type-VI: Puzzle Based Problem)
  1. A one-rupee coin is placed on a plain paper. How many coins of the sam...

    Text Solution

    |

  2. A frog fell into 30 metres deep well and tries to get out, it goes 3 m...

    Text Solution

    |

  3. Standing on Mahatma Gandhi bridge, Prakash said that Patna was more th...

    Text Solution

    |

  4. There is a cycle race going on in a circular track and 1/5th of the to...

    Text Solution

    |

  5. Jeewan and Ashish have the same number of marbles when they start play...

    Text Solution

    |

  6. Deepu buys some shoestrips and then 4 times of that she buys packet pi...

    Text Solution

    |

  7. Grass in lawn grows equally thick and in a uniform rate. It takes 24 d...

    Text Solution

    |

  8. The owner of a local jewellery store hired 3 watchmen to guard his dia...

    Text Solution

    |

  9. In a bag a person can carry 10 books. The books are Mathematics, Physi...

    Text Solution

    |

  10. Deepu has certain number of Flowers. It is not less than 15 and not mo...

    Text Solution

    |

  11. There are ten students standing in a line, not all of whom have the sa...

    Text Solution

    |

  12. Prakash has some dry fruit boxes with him to sell. He sells them eithe...

    Text Solution

    |

  13. A rich merchant had collected many gold coins. He did not want anybody...

    Text Solution

    |

  14. You are given two (unmarked) containers of capacity 9 litres and 4 lit...

    Text Solution

    |

  15. Naughts and crosses is a game played on a 3 xx 3 board of squares (lab...

    Text Solution

    |

  16. There are fourteen teams playing in a tournament. If every team plays ...

    Text Solution

    |

  17. A man fills a basket with eggs in such a way that the number of eggs a...

    Text Solution

    |

  18. A question paper had ten questions. Each question could only be answer...

    Text Solution

    |

  19. A cuboid has six sides of different colours the red side is opposite t...

    Text Solution

    |

  20. There are three cans A, B and C. The capacities of 'A', 'B' and 'C' ar...

    Text Solution

    |

  21. There are four persons 'A', 'B', 'C', 'D' and 'A' has some coins. 'A' ...

    Text Solution

    |