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Read the following information carefully and answer the questions based on it.
On a particular day, certain number of people visited mall – either mall P or mall Q. Each person who visited buys either mobile or laptop. The given below chart shows the information about the number of person.
Note:
I. Sum of number of females buy mobiles from mall P and males buy laptops from mall Q is 9000
II. Number of male buys mobiles from mall Q is 2500
If M = (C/4000), then find the unit digit of (M) 129.
- a)1
- b)3
- c)9
- d)7
- e)None of these
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Read the following information carefully and answer the questions bas...
Total number of persons = (3.5a + 13000)
Number of people visited mall P = (2.4a + 6000)
So, number of people visited mall Q = B = (3.5a + 13000) - (2.4a + 6000)
= (1.1a + 7000)
Number of persons buys laptops from Mall P = (1.5a + 2d/3)
Number of persons buys mobiles from mall P = C = (2.4a + 6000) – (1.5a + 2d/3) = (0.9a – 2d/3 + 6000)
Number of males buys mobiles from mall P = (2d – 500)
Number of females buys mobiles from Mall P = (0.9a – 2d/3 + 6000) – (2d – 500) = (0.9a – 8d/3 + 6500)
Number of males buys laptops from mall P = (1.4a – 1500)
Number of females buys laptops from mall P = (1.5a + 2d/3) – (1.4a – 1500) = (0.1a + 2d/3 + 1500)
Number of persons buys laptops from mall Q = (a + d – 1000)
Number of person buys mobiles from mall Q = E = (1.1a + 7000) – (a + d – 1000) = (0.1a – d + 8000)
Number of females buys mobiles from shop Q = (a/4 – 500)
Number of males buys mobiles from shop Q = (0.1a – d + 8000) – (a/4 – 500) = (8500 – d – 0.15a)
Number of males buys laptops from mall Q = (a + d – 1000) – (1.6d + 800) = (a – 0.6d – 1800)
Sum of number of female buys mobiles from mall P and males buys laptops from mall Q is 9000
So, (0.9a – 8d/3 + 6500) + (a – 0.6d – 1800) = 9000
1.9a – 49d/15 = 4300……………. (1)
Also, Number of males buys mobiles from mall Q = 2500
So, (8500 – d – 0.15a) = 2500
So, 0.15a + d = 6000………….. (2)
On solving both equations we get,
2.39a = 23900
So, value of a = 10000
Value of d = 4500
Now we can find all the data
Answer: B
Value of C = 12000
Value of M = 12000/4000 = 3
So we need to calculate the unit digit if (3)129
31 = 3
32 = 9
33 = 7
34 = 1
35 = 3
After every 4 power, unit digit repeats itself, so
129/4 = remainder is 1
So required unit digit = 31 = 3
Hence, answer is option B
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Read the following information carefully and answer the questions based on it.On a particular day, certain number of people visited mall – either mall P or mall Q. Each person who visited buys either mobile or laptop. The given below chart shows the information about the number of person.Note:I. Sum of number of females buy mobiles from mall P and males buy laptops from mall Q is 9000II. Number of male buys mobiles from mall Q is 2500If M = (C/4000), then find the unit digit of (M) 129.a)1b)3c)9d)7e)None of theseCorrect answer is option 'B'. Can you explain this answer?
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Read the following information carefully and answer the questions based on it.On a particular day, certain number of people visited mall – either mall P or mall Q. Each person who visited buys either mobile or laptop. The given below chart shows the information about the number of person.Note:I. Sum of number of females buy mobiles from mall P and males buy laptops from mall Q is 9000II. Number of male buys mobiles from mall Q is 2500If M = (C/4000), then find the unit digit of (M) 129.a)1b)3c)9d)7e)None of theseCorrect answer is option 'B'. Can you explain this answer? for Banking Exams 2025 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about Read the following information carefully and answer the questions based on it.On a particular day, certain number of people visited mall – either mall P or mall Q. Each person who visited buys either mobile or laptop. The given below chart shows the information about the number of person.Note:I. Sum of number of females buy mobiles from mall P and males buy laptops from mall Q is 9000II. Number of male buys mobiles from mall Q is 2500If M = (C/4000), then find the unit digit of (M) 129.a)1b)3c)9d)7e)None of theseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Banking Exams 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Read the following information carefully and answer the questions based on it.On a particular day, certain number of people visited mall – either mall P or mall Q. Each person who visited buys either mobile or laptop. The given below chart shows the information about the number of person.Note:I. Sum of number of females buy mobiles from mall P and males buy laptops from mall Q is 9000II. Number of male buys mobiles from mall Q is 2500If M = (C/4000), then find the unit digit of (M) 129.a)1b)3c)9d)7e)None of theseCorrect answer is option 'B'. Can you explain this answer?.
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