Important for :
1
Average of a set of five consecutive even numbers is 48. Average of another set of five consecutive odd numbers is 49. Find the product of smallest even number of the first set and largest odd number of the second set.
» Explain it
D
Average of n consecutive even/odd numbers

⇒ a = first number + (n – 1)

⇒ 48 = first number + (5 – 1)

⇒ first number = 44

Even numbers are: 44, 46, 48, 50, 52

And

a = first number + (n – 1)

⇒ 49 = first number + (5 – 1)

⇒ first number = 45

Odd numbers are: 45, 47, 49, 51, 53

Required product = 44 × 53 = 2332

Hence, option (D) is correct.
2
P, Q and R start running around a circular field having circumference 120 metre at the same time from the same point. Speeds of P, Q and R are 4 m/minute, 8 m/minute and 10 m/minute. Find after how much time, they will meet again at the same point for the first time.
» Explain it
D
Time taken by P to complete one round

 = 120 = 30 minutes 4

Time taken by Q to complete one round
 = 120 = 15 minutes 8

Time taken by R to complete one round
 = 120 = 12 minutes 10

LCM of 30, 15 and 12 = 60

Hence, they will meet after 60 minutes.

Hence, option (D) is correct.
3
A train can cross a platform of equal length in 5 minutes. It can cross a man running in the direction of the train with the speed of 2m/s in 7 minutes. Find the speed of the train(in km/h).
» Explain it
D
Let the length of the train = l metre

And the speed of the train = s m/s

According to the question

2l = s × 5 × 60

⇒ l = 150s ----- (i)

l = (s – 2) × 7 × 60

⇒ 150s = 420s – 840

⇒ 270s = 840

 ⇒ s = 840 270

⇒ s =  3.11 m/s
 ⇒ s = 3.11 × 18 = 11.2 km/h 5

Hence, option (D) is correct.

4
A shopkeeper sold an item at 20% profit and another item at 10% loss. If the cost price of both the items is same, find the overall profit percent.
» Explain it
C
Let cost price of each of the article = Rs.100

 Selling price of one article = 100 × 120 = Rs.120 100

 Selling price of other article = 100 × 90 = Rs.90 100

Total cost price = 100 + 100 = Rs.200

Total selling price = 120 + 90 = Rs.210

 Profit % = 210 – 200 × 100 = 5% 200

Hence, option (C) is correct.
5
Puneet, Sumit and Amit started a business jointly investing Rs. 11 lakh, Rs. 16.5 lakh and Rs. 8.25 lakh respectively. The profit earned by them in the business at the end of three years was Rs. 19.5 lakh. What will be the half of Amit’s share in the profit?
» Explain it
B
Profit ratio = Investment by Puneet × Time : Investment by Sumit × Time : Investment by Amit × Time

=  11 × 3 : 16.5 × 3 : 8.25 × 3

=  11 : 16.5 : 8.25 = 44 : 66 : 33 = 4 : 6: 3

 Amit's share in profit = 3 × 19.5 = Rs. 4.5 lakh 13

 ∴   50% of Amit's share = 1 × 4.5 = Rs. 2.25 lakh 2

Hence, option B is correct.

Quantitative Aptitude Questions with PDF for LIC AAO 2020 | Daily Quiz 13

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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.

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 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.