Q:

Let S.P = x then C.P =

Selling price received by subbu = (108% of x)

=

Gain=

Hence gain% = = 20%

Q:

A) 133.33 % | B) 141.17 % |

C) 145.54 % | D) 139.29 % |

1
9

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.

1
10

Q:

A) 4:3 | B) 2:3 |

C) 3:2 | D) 5:3 |

Answer & Explanation
Answer: A) 4:3

Explanation:

Explanation:

Let the numbers be p & q

q-p/4 = 4q/6

=> q-4q/6 = p/4

=> 2q/6 = p/4

=> p/q = 4/3

2
37

Q:

A) 175 | B) 140 |

C) 135 | D) 95 |

Answer & Explanation
Answer: B) 140

Explanation:

Explanation:

x - 35 = 80x/100

=> x = 175

=> 4x/5 = 4x175/5 = 140.

3
44

Q:

A) 4400 | B) 3100 |

C) 2800 | D) 5600 |

Answer & Explanation
Answer: A) 4400

Explanation:

Explanation:

Let 'P' be the original population at the beginning

P x (95/100) x (85/100) = 3553

P = 4400.

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136