Q:

A) 133.33 % | B) 141.17 % |

C) 145.54 % | D) 139.29 % |

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5

Q:

A) 48 | B) 52 |

C) 38 | D) 42 |

Answer & Explanation
Answer: A) 48

Explanation:

Explanation:

Here distance d = 800 mts

speed s = 63 - 3 = 60 kmph = 60 x 5/18 m/s

time t = 800x18/(60x5) = 48 sec.

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1

Q:

A) Total work | B) One-fourth work |

C) Half work | D) Two-third work |

Answer & Explanation
Answer: C) Half work

Explanation:

Explanation:

A can do the work = 18 days

B can do the work = 18/2 = 9 days

(A + B)'s 1 day work = 1/18 + 1/9 = 1/6

=> In 3 days = 3x1/6 = 1/2 work is completed.

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1

Q:

A) Rs. 22.5 | B) Rs. 2.5 |

C) Rs. 202 | D) Rs. 25 |

Answer & Explanation
Answer: A) Rs. 22.5

Explanation:

Explanation:

We know that I = PTR/100

=> P = 20250/4.5 = 4500

Now, new Interest at 5% = 4500x1x5/100 = 225

Now the additional amount = 225 - 202.5 = Rs. 22.5

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4

Q:

A) 180 | B) 300 |

C) 480 | D) 260 |

Answer & Explanation
Answer: B) 300

Explanation:

Explanation:

Let the number be 'N'

Given N + 30N/100 = 390

=> 130N/100 = 390

=> N = 390 x 10/13

=> N = 300.

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