- 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

D

Since the avg of 12 numbers is 14, the total becomes 12 × 14= 168

From this total, 4 numbers are subtracted**:** 168 – (7 + 8 + 13 + 14) = 126

In this number, three numbers of average 12 is added

126 + (3 × 12) = 162

This number is divided by 11 because now there are 11 numbers instead of 12

162 / 11 = 14.72

The difference between the initial and final avg is 14.72 – 14 = 0.72

Hence, option D is correct.

From this total, 4 numbers are subtracted

In this number, three numbers of average 12 is added

126 + (3 × 12) = 162

This number is divided by 11 because now there are 11 numbers instead of 12

162 / 11 = 14.72

The difference between the initial and final avg is 14.72 – 14 = 0.72

Hence, option D is correct.

2

D

In this type of question, attention should be given to the language of the question.

Since total number of sheep are 44 and of those 3/4th are female, it means 33 women own sheep.

It is given that of all the women, only 25% (or one fourth) own sheep. It means, total number of women are:

33 x 4 = 132

It is also given that the percentage of female population is 55% of the total population in the village.

So,, by the rule of proportion

55% ≡ 132

100% ≡ ?

Therefore, ? = 240

Option D is hence the correct answer.

Since total number of sheep are 44 and of those 3/4th are female, it means 33 women own sheep.

It is given that of all the women, only 25% (or one fourth) own sheep. It means, total number of women are:

33 x 4 = 132

It is also given that the percentage of female population is 55% of the total population in the village.

So,, by the rule of proportion

55% ≡ 132

100% ≡ ?

Therefore, ? = 240

Option D is hence the correct answer.

3

D

The average profit on the watches is 30% (because the given profit% are in AP and there the middle term has to be the average.)

So the profit made on one watch is 30% of 5000 = 1500

Total profit = 1500 × 5 = 7500

This is the cost price of the expensive watch which is sold at

⇒ 80% (after discount) × 150% (after including profit) of 7500

⇒ 9000

Since the only cost incurred was the cost for 5 watches and after that only the profit has been reinvested. So the total profit earned is Rs. 9000.

Option D is hence the correct answer.

4

B

Let the each instalment be x.x | + | x | = 9960 | |||||||

( | 1 + | 15 | ) | ( | 1 + | 15 | ) |
^{2} |
||

2 × 100 | 2 × 100 |

x | + | x | = 9960 | |||||||

( | 1 + | 3 | ) | ( | 1 + | 3 | ) |
^{2} |
||

40 | 40 |

⇒ | 40 x | + | 1600 x | = 9960 |

43 | 1849 |

⇒ | 1720 x + 1600 x | = 9960 |

1849 |

Hence, option B is correct.

5

E

There are 52 cards in a deck and there are four suits of cards - Spade, Club, Heart and Diamond.

So, probability of getting a card of Spade

= | 13 | = | 1 |

52 | 4 |

Each of these cards contain an ace, 3 face cards and 9 numbered cards. The numbers are 2, 3, 4, 5, 6, 7, 8, 9 and 10.

So, there are total 13 cards of spade and of that only 5 are even numbered ones. Therefore, we can say that total number of cards that are spade and are even numbered are 5.

Probability of the card being even numbered out of all cards of Spade

= | 5 |

13 |

Therefore, probability of a card being one from Spade and an even numbered one

= | 1 | × | 5 | = | 5 |

4 | 13 | 52 |

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 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.

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.