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The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?
- a)50 kg
- b)51 kg
- c)52 kg
- d)None of these
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The average weight of A, B, C and D is 64 kg. If the average weight of...
Weights → A + B + C + D = 64 × 4 = 256 kg
Weights → A + B = 50 × 2 = 100 kg
Weights → B + C + D = 70 × 3 = 210 kg
Weights → A + B + B + C + D = 100 + 210 = 310 kg
So the answer = 310 – 256 = 54 kg
Hence, Option D is correct.
Weights → A + B = 50 × 2 = 100 kg
Weights → B + C + D = 70 × 3 = 210 kg
Weights → A + B + B + C + D = 100 + 210 = 310 kg
So the answer = 310 – 256 = 54 kg
Hence, Option D is correct.
Most Upvoted Answer
The average weight of A, B, C and D is 64 kg. If the average weight of...
Solution:
First, let's represent the weights of A, B, C, and D as follows:
- Let the weight of A be a kg
- Let the weight of B be b kg
- Let the weight of C be c kg
- Let the weight of D be d kg
Calculating the Average Weight
Given, the average weight of A, B, C, and D is 64 kg:
(a + b + c + d) / 4 = 64
a + b + c + d = 256
The average weight of A and B is 50 kg:
(a + b) / 2 = 50
a + b = 100
The average weight of B, C, and D is 70 kg:
(b + c + d) / 3 = 70
b + c + d = 210
Finding the Weight of B
Now, we can substitute the value of a + b and b + c + d into the equation a + b + c + d = 256:
100 + 210 = 256
310 = 256
This equation is not possible, which means there is an inconsistency in the given information. Therefore, the weight of B cannot be determined accurately based on the information provided in the question.
Therefore, the correct answer is option 'D', None of these.
First, let's represent the weights of A, B, C, and D as follows:
- Let the weight of A be a kg
- Let the weight of B be b kg
- Let the weight of C be c kg
- Let the weight of D be d kg
Calculating the Average Weight
Given, the average weight of A, B, C, and D is 64 kg:
(a + b + c + d) / 4 = 64
a + b + c + d = 256
The average weight of A and B is 50 kg:
(a + b) / 2 = 50
a + b = 100
The average weight of B, C, and D is 70 kg:
(b + c + d) / 3 = 70
b + c + d = 210
Finding the Weight of B
Now, we can substitute the value of a + b and b + c + d into the equation a + b + c + d = 256:
100 + 210 = 256
310 = 256
This equation is not possible, which means there is an inconsistency in the given information. Therefore, the weight of B cannot be determined accurately based on the information provided in the question.
Therefore, the correct answer is option 'D', None of these.
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The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer?
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The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? for SSC CHSL 2025 is part of SSC CHSL preparation. The Question and answers have been prepared according to the SSC CHSL exam syllabus. Information about The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CHSL 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer?.
The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? for SSC CHSL 2025 is part of SSC CHSL preparation. The Question and answers have been prepared according to the SSC CHSL exam syllabus. Information about The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CHSL 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer?.
Solutions for The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for SSC CHSL.
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The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of The average weight of A, B, C and D is 64 kg. If the average weight of A and B is 50 kg and that of B, C and D is 70 kg, what is the weight of B?a)50 kgb)51 kgc)52 kgd)None of theseCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
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