A | 12000 |

B | 666 |

C | 3000 |

D | 6000 |

Solution : Option (D)

Question 1 Explanation: Total no. of friends = 10

Gift cost = 10x

When two people are not going to contribute then the remaining friends have to pay Rs 150 more.

Two friends contribution = 150 × 8 = 1200

One friend contribution = 600

Ten friends contribution = 6000

Cost of the Gift = 6000

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