A) 10 | B) 20 |

C) 30 | D) 40 |

Explanation:

Let the original price be Rs. 100.

New final price = 120 % of (75 % of Rs. 100) = Rs. (120/100 * 75/100 * 100) = Rs. 90.

Decrease = 10%

A) 24.750 | B) 36.975 |

C) 34.652 | D) 26.354 |

Explanation:

30 + (.0825 x 30) + (15% x 30)

Now

=> 0.0825 x 30 = 2.475 -----(1)

=> 15% of 30 = 450/100 = 4.5 -----(2)

Hence, from (1) & (2)

30 + (.0825 x 30) + (15% x 30)

= 30 + 2.475 + 4.5

**30 + (.0825 x 30) + (15% x 30) = 36.975.**

A) 3.6 | B) 4.8 |

C) 5.2 | D) 5.8 |

A) Rs. 185 less | B) Rs. 202 more |

C) Rs. 175 more | D) Rs. 168 less |

Explanation:

Cost of each cake P1 & P2 = Rs. 12

Offer decrease in % = 20%

Increase in sale per day (Q2) = 250 - 18%

Total quantity per day (Q1) = 250

Hence, required change total revenue

TR = P2Q2 - P1Q1 = (12 x 0.8 x 250 x 1.18) - (12 x 250) = - Rs.168.

A) 5.6% | B) 4.16% |

C) 3.35% | D) 6.7% |

Explanation:

A day has 24 hrs

=> If 24 hrs - 100

Then 1 hr = ?

100/24 = **4.16%**

A) 1060 | B) 960 |

C) 1020 | D) 920 |

Explanation:

Total number of sweets

= 80 x 15 x 80/100 + 5 x 80 x 25/100

= 960 + 100 = 1060

A) Rs. 40,000 | B) Rs. 45,000 |

C) Rs. 42,000 | D) Rs. 46,000 |

Explanation:

Let his present earnings be Rs. p

ATQ,

(125/100) x (96/100) x (125/100) x (96/100) x (125/100) x p = 72000

p = Rs. 40,000.

A) Rs. 6350 | B) Rs. 5220 |

C) Rs. 5890 | D) Rs. 6458 |

Explanation:

Remaining % of amount with Rohan

= 100 - (24 + 34 + 17 + 19)

= 100 - 94

= 6%

=> 6% = 540

=> 100% = ?

540 x 100/6 = Rs. 9000

Now, Money spent on insurance and food is

= 34 + 24 = 58% of 9000

= 58 x 9000/100

= 58 x 90

= **Rs. 5220**

A) 54 | B) 45 |

C) 60 | D) 64 |

Explanation:

Let 36 is p% of 80

=> p x 80/100 = 36

=> p = 36 x 10/8 = 45.