A) Rs 1.10 | B) Rs 11 |

C) Rs 16.50 | D) Rs 27.50 |

Explanation:

Cost price of 25 kg = Rs. (15 x 14.50 + 10 x 13) = Rs. 347.50.

Sell price of 25 kg = Rs. (25 x 15) = Rs. 375.

profit = Rs. (375 — 347.50) = Rs. 27.50.

A) Rs. 560 | B) Rs. 530 |

C) Rs. 500 | D) Rs. 514 |

Explanation:

110% of S.P. = Rs. 616

S.P. = (616 x 100)/110 = Rs. 560

C.P = (110 x 560)/112 = Rs. 500

A) 97 % | B) 110 % |

C) 135 % | D) 115 % |

Explanation:

% Profit with respect to A = 40 + 50 + (40 x 50)/100 = 90 + 20 = 110 %.

A) 1.44% loss | B) 14.4% loss |

C) 0% | D) 14.4% profit |

Explanation:

SP of each car is Rs. 325475, he gains 12% on first car and losses 12% on second car.

In this case, there will be loss and percentage of loss is given by

= [(profit%)(loss%)]/100 = (12)(12)/100 % = 1.44%

A) 4% p.a. | B) 6% p.a. |

C) 8% p.a. | D) 12% p.a. |

Explanation:

If the interest earned is 25% more than the earlier interest then the rate of interest also should be 25% higher than the earlier rate.

Let the earlier rate of interest be x%.

Now it will be (x + 3)%

% increase = (x + 3) - x/x * 100 = 25

=> x = 12%

A) Rs. 17.80 | B) Rs. 16.30 |

C) Rs. 14 | D) Rs. 15.40 |

Explanation:

C.P. of 50 kg wheat = (30 * 11.50 + 20 * 14.25) = Rs. 630.