Important for :

1

A

SP = | 100 + Profit% | × CP |

100 |

= | 100 + 6.25 | × 480 = | 106.25 | × 480 = Rs. 510 |

100 | 100 |

Hence, option A is correct.

2

D

To solve this question, we can apply the net% effect formulax + y + | xy |

100 |

Let's take x = 35% and y = – 17.5%

By the net% effect formula, we get

Profit % = | ( | 35 – 17.5 – | 35 × 17.5 | ) | % = (17.5 – 6.125)% = 11.375% |

100 |

Hence, option D is correct.

3

C

Let the cost price be Rs. 100.SP at 20% profit = Rs. 120

CP on 10% more = Rs. 110

∴ SP on 25% profit = | 110 × 125 | = Rs. 137.5 |

100 |

Difference of selling price = 137.5 – 120 = Rs. 17.5

Now, 17.5 : 100 : : 70 : x

∴ x = | 100 × 70 | = Rs. 400 |

17.5 |

Hence, option C is correct.

4

C

Total selling price of two bullocks = 8400 + 8400 = 16800
∴ Cost price of first bullock = 8400 × |
100 | = Rs. 7000 |

120 |

According to the question, there is no profit or loss.

Selling price of second bullock = Rs. 8400

∴ Percentage loss on second bullock = |
1400 | × 100 |

9800 |

= | 100 | % = 14 | 2 | % |

7 | 7 |

Hence, option C is correct.

5

D

Let the first discount be x%.Then, 85% of (100 – x)% of 200 = 136

or, | 85 | × | (100 – x) | × 200 = 136 |

100 | 100 |

or, 8500 – 85x = 136 × 50 = 6800

or, 85x = 1700

Hence, option D is correct.

Profit and loss is the branch of basic mathematics which deals with the study of profit and loss made in a business transaction. The profit and loss account is fundamentally a summary of the trading transactions of a business and shows whether it has made a profit or loss during a particular period of account.

Profits and loss is mainly used in finance and business transactions. Some basic and important profit and loss formulas are:

I. S.P. = Selling Price

II. C.P. = Cost Price

1. Profit = Selling Price – Cost Price

P = SP – CP

2. Loss = Cost Price – Selling Price

P = CP – SP

3. Profit% = (Profit/Cost Price) 100%

4. Loss% = (Loss/Cost Price) 100%

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