- 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

The relative speed of the swimmer swimming along with the stream is (15 + 5) = 20 km/hr = (1/3) km/min

The relative speed of the other swimmer swimming against the stream is (15 - 5) = 10 km/hr = (1/6) km/min

Their relative speed with respect to each other is

The relative speed of the other swimmer swimming against the stream is (15 - 5) = 10 km/hr = (1/6) km/min

Their relative speed with respect to each other is

1 | + | 1 | = | 1 | km/min | |

3 | 6 | 2 |

Distance between them = 35 km

= | 35 | = 70 min |

1/2 |

Hence, option A is correct.

2

A

Let the amount received by A, B, C and D be 7x, 2x, 3x and 4x respectively.As per the question

Amount distributed | = | 2 |

total income | 7 |

8800 | = | 2 |

total income | 7 |

Total income of the father = | 7 × 8800 | = Rs 30800 |

2 |

Hence, option A is correct.

3

C

Let the taxable income be Rs. x.

Tax amount (in Rs.) as per old calculation = 0.1x

Tax amount (in Rs.) as per new calculation = 20000 + 0.05(x − 200000) = 0.05x + 20000 − 10000 = 0.05x + 10000

The tax amount as per the new calculation is Rs. 5,000 less than that found by the old calculation.

Hence, option C is correct.

4

D

Let the total aspirants in batches A, B and C be a, b and c respectively.

Hence, marks of batches A, B and C individually are 42a, 50b and 62c respectively.

Since the average marks of batches A and B combined are 45, combined marks of batches A and B are 45(a + b)

**∴ ** 42a + 50b = 45a + 45b

**∴ ** 3a = 5b

**∴ ** a : b = 5 : 3

Similarly, for batches B and C, 50b + 62c = 55b + 55c

**∴ ** 5b = 7c

**∴ ** b : c = 7 : 5

**∴ ** a : b : c = 35 : 21 : 15

Let the common ratio be k.

Hence, total number of students = a + b + c = 35k + 21k + 15k = 71k

and total marks = 42a + 50b + 62c

= 42(35k) + 50(21k) + 62(15k)

= 1470k + 1050k + 930k

= 3450k

Hence, marks of batches A, B and C individually are 42a, 50b and 62c respectively.

Since the average marks of batches A and B combined are 45, combined marks of batches A and B are 45(a + b)

Similarly, for batches B and C, 50b + 62c = 55b + 55c

Let the common ratio be k.

Hence, total number of students = a + b + c = 35k + 21k + 15k = 71k

and total marks = 42a + 50b + 62c

= 42(35k) + 50(21k) + 62(15k)

= 1470k + 1050k + 930k

= 3450k

∴ Required average = |
3450k | = 48.6 |

71k |

Hence, option D is correct.

5

A

No. of ways selecting 2 colour = And No. of combinations of the T-shirts of 2 colours = 4

Combinations can be {(4, 1), (3, 2), (2, 3), (1, 4)}

Now for total no. of ways:

The no. of ways of distributing n identical object to r people such that each people such that each person gets 0 or more is given by n + r −

∴ Probability = |
24 | = | 3 |

56 | 7 |

Hence, option A 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.