Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2ndand 3rdis 4 : 5. The product of 1stand 3rdis 10500. What is the sum of the three numbers?a)1600b)275c)1675d)1375Correct answer is option 'B'. Can you explain this answer?

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Of three positive numbers, the ratio of 1^st and 2^nd is 7 : 3, that of 2^nd and 3^rd is 4 : 5. The product of 1^st and 3^rd is 10500. What is the sum of the three numbers?

a)
1600
b)
275
c)
1675
d)
1375

Correct answer is option 'B'. Can you explain this answer?

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Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2n...

Let,

Let the three numbers be x, y and z

x/y = 7/3

y/z = 4/5

x = 7y/3 ----- (1)

z = 5y/4 ----- (2)

Given, xz = 10500 ----- (3)

Put value of (1) and (2) in (3)

35y²/12 = 10500

y² = 3600

y = 60

x = 140

z = 75

Sum of three numbers = 140 + 60 + 75 = 275

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Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2ndand 3rdis 4 : 5. The product of 1stand 3rdis 10500. What is the sum of the three numbers?a)1600b)275c)1675d)1375Correct answer is option 'B'. Can you explain this answer?

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Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2ndand 3rdis 4 : 5. The product of 1stand 3rdis 10500. What is the sum of the three numbers?a)1600b)275c)1675d)1375Correct answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2ndand 3rdis 4 : 5. The product of 1stand 3rdis 10500. What is the sum of the three numbers?a)1600b)275c)1675d)1375Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Of three positive numbers, the ratio of 1stand 2ndis 7 : 3, that of 2ndand 3rdis 4 : 5. The product of 1stand 3rdis 10500. What is the sum of the three numbers?a)1600b)275c)1675d)1375Correct answer is option 'B'. Can you explain this answer?.

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