model 8 find monthly income Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 9 EXERCISES
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Basic Average Questions Practice Test, Shortcuts, Tricks, PDF »
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New Average Aptitude MCQ Average of Consecutive Numbers »
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Top 99+ Average Aptitude: Twice, One Third of Numbers MCQ »
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New +99 Average Aptitude MCQ Find nth Average of Numbers »
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99+ Average Aptitude Find New Average from Error MCQ Test »
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Top 99+ Aptitude MCQ Test on Average With Excluded Number »
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Top 99+ Aptitude Average on Ages & Weights MCQ Test Quiz »
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Top Aptitude Average MCQ Find Monthly Income for Average »
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Top 149+ Aptitude Average on Cricket & Exam MCQ Test Quiz »
The following question based on average topic of quantitative aptitude
(a) 15
(b) 14
(c) 13
(d) 12
The correct answers to the above question in:
Answer: (b)
Total number of workers in the factory = x (let)
Number of technicians = 7
Remaining workers = x – 7
According to the question,
${7×15000+(x-7)×9000}/x$ = 12000
⇒ 7 × 15 + 9x – 63 = 12x
⇒ 105 – 63 = 12x – 9x
⇒ 3x = 42
⇒ x = $42/3$ = 14
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Read more finding monthly income Based Quantitative Aptitude Questions and Answers
Question : 1
The average per day income of A, B and C is Rs.450. If the average per day income of A and B be Rs.400 and that of B and C be Rs.430, the per day income of B is
a) Rs.425
b) Rs.415
c) Rs.310
d) Rs.300
Answer »Answer: (c)
Total daily income of A, B and C = 3 × 450 =Rs.1350
Total daily income of A and B = 2 × 400 =Rs.800
Total daily income of B and C = 2 × 430 =Rs.860
∴ B’s daily income =Rs.(800 + 860 – 1350) =Rs.310
Question : 2
The average salary, per head, of all the workers of an institution is Rs.60. The average salary of 12 officers is Rs.400; the average salary, per head, of the rest is Rs.56. The total number of workers in the institution is
a) 1032
b) 1020
c) 1035
d) 1030
Answer »Answer: (a)
Number of other workers except officers = x
∴ 12 × 400 + x × 56 = (x + 12) × 60
⇒ 4800 + 56x = 60x + 720
⇒ 60x – 56x = 4800 – 720
⇒ 4x = 4080
⇒ x = $4080/4$ = 1020
∴ Total number of workers = 1020 + 12 = 1032
Question : 3
The average monthly income of A and B is Rs.14000, that of B and C is Rs.15600 and A and C is Rs.14400. The monthly income of C is
a) Rs.15500
b) Rs.14000
c) Rs.15000
d) Rs.16000
Answer »Answer: (d)
A + B =Rs.28,000 ...(i)
B + C = Rs.31,200 ...(ii)
C + A = Rs. 28,800 ...(iii)
Adding,
2(A + B + C) = 88000
⇒ A + B + C = 44000
From equation (i),
28000 + C = 44000
⇒ C = 44000 – 28000 = Rs.16000
GET average PRACTICE TEST EXERCISES
model 1 basic average questions
model 2 average of consecutive numbers
model 3 twice, thrice, one third etc. of numbers
model 4 find nth average from 1st & last number
model 5 find new average from error
model 6 find average of excluded number
model 7 average on ages/weight
model 8 find monthly income
model 9 average on cricket/exam
average Shortcuts and Techniques with Examples
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model 1 basic average questions
Defination & Shortcuts … -
model 2 average of consecutive numbers
Defination & Shortcuts … -
model 3 twice, thrice, one third etc. of numbers
Defination & Shortcuts … -
model 4 find nth average from 1st & last number
Defination & Shortcuts … -
model 5 find new average from error
Defination & Shortcuts … -
model 6 find average of excluded number
Defination & Shortcuts … -
model 7 average on ages/weight
Defination & Shortcuts … -
model 8 find monthly income
Defination & Shortcuts … -
model 9 average on cricket/exam
Defination & Shortcuts …
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