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There are 350 boys in the first three standard. The ratio of the number of boys in first and second standards is 2 : 3, while the ratio of boys in second and third standard is 4 : 5. What is the total number of boys in first and third standards?
  • a)
    302
  • b)
    280
  • c)
    242
  • d)
    230
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
There are 350 boys in the first three standard. The ratio of the numbe...
Let the student studying in first and second standard be 2x and 3x respectively
Students studying in third standard = 5/4 × 3x = 3.75x
Total number of students studying = 2x + 3x + 3.75x
⇒ 350 = 8.75x
∴ x = 40
∴ Number of students in first and third standards = 5.75x = 5.75 × 40 = 230
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There are 350 boys in the first three standard. The ratio of the number of boys in first and second standards is 2 : 3, while the ratio of boys in second and third standard is 4 : 5. What is the total number of boys in first and third standards?a)302b)280c)242d)230Correct answer is option 'D'. Can you explain this answer?
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There are 350 boys in the first three standard. The ratio of the number of boys in first and second standards is 2 : 3, while the ratio of boys in second and third standard is 4 : 5. What is the total number of boys in first and third standards?a)302b)280c)242d)230Correct answer is option 'D'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about There are 350 boys in the first three standard. The ratio of the number of boys in first and second standards is 2 : 3, while the ratio of boys in second and third standard is 4 : 5. What is the total number of boys in first and third standards?a)302b)280c)242d)230Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for There are 350 boys in the first three standard. The ratio of the number of boys in first and second standards is 2 : 3, while the ratio of boys in second and third standard is 4 : 5. What is the total number of boys in first and third standards?a)302b)280c)242d)230Correct answer is option 'D'. Can you explain this answer?.
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