- 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

A

Let the speed of boy in still water be X km/hAnd the speed of current is given = 5 km/h

Downstream speed = (X + 5) km/h

Upstream speed = (X – 5) km/h

Let time be ‘t’ hours.

⇒ | (X + 5) t | = (X – 5) t |

3 |

⇒ X + 5 = 3X – 15

⇒ 2X = 20

⇒ X = 10 km/h

Downstream speed = 10 + 5 = 15 km/h

Upstream speed = 10 – 5 = 5 km/h

Hence, option A is correct.

2

A

Let time taken by 4 employees and 4 trainees together is ‘x’.

Let one day work of one employee and one trainee is ‘E’ and ‘T’ respectively.

Total work = 7 × (2E + 3T) = 2 × (6E + 13T)

⇒ 14E + 21T = 12E + 26T

⇒ 2E = 5T **…….. (1)**

Total work done by 4 employees and 4 trainees together in ‘x’ days = x × (4E + 4T) = 2 × (6E + 13T)

From equation (1)-

⇒ x × (10T + 4T) = 2 × (15T + 13T)

⇒ x = | 56T | = 4 days |

14T |

Hence, option A is correct.

3

4

A

Let’s say the price of 1000g of goods = Rs.1000Now he gets 1400g of goods at Rs.1000

Hence CP of shopkeeper for 1 g

= | 1000 | = Rs. | 5 |

1400 | 7 |

CP of shopkeeper for 840g

= | 5 | × 840 = Rs.600 |

7 |

Now instead of selling 1000g he sells 840g for Rs.900 (10% discount)

Profit = | 900 – 600 | × 100 = 50% |

600 |

Hence, option A is correct.

5

E

When compounded annually, the amount received at the end of the period is A= P | ( | 1 + | r | ) |
^{n} |

100 |

When compounded half yearly, the amount received at the end of the period is A

= P | ( | 1 + | r/2 | ) |
^{2n} |

100 |

Let the principle be P.

Interest on this amount when compounded annually at the rate of 20% per annum = P [(1.20)

Interest on this amount when compounded half yearly = P [(1.10)

The difference between the two is Rs. 482

∴ P [(1.10)

∴ P [1.4641 – 1.44] = 482

∴ P = Rs. 20,000

Hence, option E 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 2020 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 2020 (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 2020 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 2020.