Maths Questions with Answers for LIC AAO 2019 and Download PDF and Take LIC AAO Prelims Maths Test Free at Smartkeeda

Directions: Read the following questions carefully and choose the right answer.
Important for :
1
In how many different ways letters of the word “EDUCATION” can be arranged such that all the consonants come together?
» Explain it
C
Number of consonants = 4
 
Consonants can be arranged among themselves in 4! Ways.
 
E, U, A, I, O and (DCTN) can be arranged in 6! Ways
 
Required number of ways = 6! × 4! = 720 × 24 = 17280
 
Hence, option C is correct.
 
2
The area of a square is equal to the area of a rectangle of length 28 cm and breadth 7 cm. Find the circumference of the circle whose diameter is equal to the side of the square.
» Explain it
B
Area of square = (side)2

And, Area of rectangle = 28 × 7 = 196 cm2

Now,

(side)2 = 196 cm2

∴ side of square = 14 cm

Then, Radius of circle 

side of square  =  14  = 7cm
2 2

⇒ Radius of circle = 7cm

We know that,

Circumference of circle = 2 π (Radius)

= 2 ×  22  × 7
7

= 44 cm

Hence, option B is correct.

3
Compound interest on a certain sum at the rate of 12% per annum after 2 years is Rs.142464. Find the simple interest on that sum at the rate of 15% per annum for 7 years.
» Explain it
A
We know that

CI = P  [ ( 1 +  r ) 2  – 1 ]
100  

⇒ 142464 = P  [ ( 1 +  12 ) 2  – 1 ]
100  

⇒ 142464 = P  [ ( 1 +  3 ) 2  – 1 ]
25  

⇒ 142464 = P [ ( 28 ) 2  – 1 ]
25  

⇒ 142464 = P  784 – 625
625

⇒ P = 142464 ×  625
159

⇒ P = Rs.560000
SI =  P × r × t
100

Hence,
reqd. SI =  560000 × 15 × 7  = Rs.588000
100

Hence, option A is correct.

4
A bag contains 2 red, 5 green and 4 yellow balls. 4 balls are drawn at random, find the probability that out of four balls at least 3 balls are yellow.
» Explain it
C
Red = 2

Green = 5

Yellow = 4

Total = 11

Reqd. probability =  4c3 × 7c1 + 4c4
11c4

4 × 7 + 1
330

29
330

Hence, option C is correct.
 
5
In a company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.
» Explain it
D
Number of males in the company

7  × 78000 = 42000
13

Number of males working as HR

35  × 42000 = 14700
100

Number of females in the company
6  × 78000 = 36000
13

Number of females working as HR

25  × 36000 = 9000
100

Total number of employees working as HR = 14700 + 9000 = 23700

Hence, option D is correct.


Maths for LIC AAO 2019 | Daily Quiz 9

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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.

Negative Marking: last thing which you need to keep note of is that LIC AAO exam gives you a negative marking of 0.25 marks for every wrong question so you must ensure that you are confident on the question which you are attempting  so that you don't get most of the  questions wrong and negative marking as a result of the wrong questions.

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.