Q:

A) 1122 | B) 1025 |

C) 1125 | D) 625 |

Answer: C) 1125

Explanation:

Explanation:

Total amount for two years =

Now , interest for third year =

Q:

A) 20% p.a | B) 15% p.a |

C) 18% p.a | D) 24% p.a |

Answer & Explanation
Answer: A) 20% p.a

Explanation:

Explanation:

Rs.1440 - 1200 = Rs.240 is the interest on Rs.1200 for one year.

Rate of interest = (100 x 240) / (1200) = 20% p.a

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29

Q:

A) Quarter months | B) Half year |

C) 2 years | D) 1 year |

Answer & Explanation
Answer: B) Half year

Explanation:

Explanation:

3300 ----- 3% ↑ (1st time interval, 99) → 3399.

Here, time interval is given as half-yearly i.e. 6 months.

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82

Q:

A) Rs. 2000 | B) Rs. 2100 |

C) Rs. 1900 | D) Rs. 2150 |

Answer & Explanation
Answer: A) Rs. 2000

Explanation:

Explanation:

Given,

Compound rate, R = 10% per annum

Time = 2 years

C.I = Rs. 420

Let P be the required principal.

A = (P+C.I)

Amount, A = {}

(P+C.I) = {}

(P+420) = P[11/10][11/10]

P-1.21P = -420

0.21P = 420

Hence, P = 420/0.21 = Rs. 2000

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70

Q:

A) 6.5% | B) 6% |

C) 5% | D) 4.5% |

4
237

Q:

A) Rs. 1100 | B) Rs. 5500 |

C) Rs. 1400 | D) Rs. 4120 |

Answer & Explanation
Answer: A) Rs. 1100

Explanation:

Explanation:

Let the sum be Rs.x. Then,

=> x =5500

sum = Rs. 5500.

So, S.I = Rs. .

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276