- LIC AAO Maths Quiz 20
- LIC AAO Maths Quiz 19
- LIC AAO Maths Quiz 18
- LIC AAO Maths Quiz 17
- LIC AAO Maths Quiz 16
- LIC AAO Maths Quiz 15
- LIC AAO Maths Quiz 14
- LIC AAO Maths Quiz 13
- LIC AAO Maths Quiz 12
- LIC AAO Maths Quiz 11
- LIC AAO Maths Quiz 10
- LIC AAO Maths Quiz 9
- LIC AAO Maths Quiz 8
- LIC AAO Maths Quiz 7
- LIC AAO Maths Quiz 6
- LIC AAO Maths Quiz 5
- LIC AAO Maths Quiz 4
- LIC AAO Maths Quiz 3
- LIC AAO Maths Quiz 2
- LIC AAO Maths Quiz 1

Important for :

1

E

Earlier Interest Rate = 25% p.a.
Therefore, the total interest would have gained in 2 years (applying net % effect formula)

= 25 + 25 + | 25 × 25 | = 56.25% |

100 |

If the new rate of interest = 20% p.a. total interest will be gained in 2 years

= 20 + 20 + | 20 × 20 | = 44% |

100 |

Then, the interest payable is less by

= | 56.25 – 44 | × 100 = 21.77% |

56.25 |

Hence, option E is correct.

2

A tank is filled up to 2/5th of the capacity of tank with the mixture of two liquids, type A and type B in the ratio of 3 : 2. The tank has two inlet pipes i.e., one for type A liquid and other for type B liquid. Inlet of type A liquid and inlet of type B liquid can fill the same tank in 18 h and 12 h respectively. The capacity of the tank is 250 litres. (Set 1. Q.1)

B

Initially type A liquid = | 2 | × 250 × | 3 | = 60L |

5 | 5 |

Type B liquid = | 2 | × 250 × | 2 | = 40 L |

5 | 5 |

Remaining capacity of tank = 250 – 60 – 40 = 150 L

Ratio of Efficiency of both the inlet pipes

= | 1 | : | 1 | = 2 : 3 |

18 | 12 |

In remaining tank-

Amount of type A liquid = 150 × | 2 | = 60L |

2 + 3 |

Amount of type B liquid = 150 – 60 = 90 L

Total A type liquid = 60 + 60 = 120 L

Total type B liquid = 40 + 90 = 130 L

Required ratio = 120 : 130 = 12 : 13

Hence, option (B) is correct.

3

A tank is filled up to 2/5th of the capacity of tank with the mixture of two liquids, type A and type B in the ratio of 3 : 2. The tank has two inlet pipes i.e., one for type A liquid and other for type B liquid. Inlet of type A liquid and inlet of type B liquid can fill the same tank in 18 h and 12 h respectively. The capacity of the tank is 250 litres. (Set 1. Q.2)

D

To fill 250 L inlet of type B liquid takes 12h.

So, to fill 300 L time taken by inlet of type B liquid

= 12 × | 300 | = 14.4 h |

250 |

Hence, option (D) is correct.

4

E

SP when 25% discount is allowed = 75% of 40,000 = Rs. 30,000CP when there is loss of 20%

= 30000 × | 100 | = Rs. 37500 |

80 |

SP to gain Rs.900 = Rs. (37500 + 900) = Rs. 38400

New Discount = Rs. (40000 – 38400) = Rs. 1600

Discount % = 1600 × | 100 | = 4% |

40000 |

Hence, option E is correct.

5

B

Let the number of designed by men, women and boys in 1 day be 3x, 2x and x respectively.Designs of building on the 1st day

⇒ 20 × 3x + 12 × 2x + 18 × x

⇒ 102x

On the 2

On the 3

Now, 102x + 88x + 74x = 3960

⇒ 264x = 3960

⇒ 74x = | 3960 | × 74 |

264 |

⇒ 74x = 1110

Hence, option B is correct.

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In Quantitative Aptitude section, this section is quite important because it's decide you can crack this exam or not because there are various students who think that quantitative aptitude is a difficult section and you and other students on a similar score having total score for example you get a score of marks and there are around students on the same score but you got more marks in Quantitative Aptitude section as compared to other students because they think that it’s a bit difficult section then you will have better marks in total because this section. In LIC AAO 2019 Quantitative Aptitude Section will decide your entry in Life Insurance Corporation Assistant Administrative Officer so this section is automatically given more importance since so quantitative aptitude section is the most important section which is use as Entry Pass section.

Syllabus of Quantitative Aptitude for LIC AAO 2019 (Life Insurance Corporation Assistant Administrative Officer):

Data Analysis and Interpretation

Simplification

Time & Work

Percentage

Time, Speed & Distance

Profit & Loss

Problems on Trains

Simple & Compound Interest

Mensuration – Cylinder, Cone, Sphere

Ratio & Proportion

Problems on Age

Permutation & Combination

Probability

Average

Number System

Partnership

Missing Term & Wrong Term Series

Mixture & Alligation

Pipes & Cisterns

In LIC AAO 2019 Quantitative Aptitude Section is a 35 marks section with 35 questions each question consist 1 marks and 0.25 for negative as we have already discussed earlier. Generally questions of this section the level of difficulty was easy to moderate as you felt while solving above in the questions those questions are quite similar to real LIC AAO Exam those questions are new pattern based in speciall designed for LIC AAO 2019.