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A company has produced 900 pieces of transistor out of which 15% are defective and out of remaining 20 % were not sold. Find out the number of sold transistor.
  • a)
    610
  • b)
    611
  • c)
    612
  • d)
    614
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A company has produced 900 pieces of transistor out of which 15% are d...
Answer – c) 612 Solution: No of transistor sold = 900*(85/100)*(80/100) = 612
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A company has produced 900 pieces of transistor out of which 15% are d...
To find the number of sold transistors, we need to calculate the number of defective and unsold transistors first.

1. Calculate the number of defective transistors:
Out of the 900 transistors produced, 15% are defective.
Defective transistors = 900 * 15/100 = 135

2. Calculate the number of unsold transistors:
Out of the remaining transistors (900 - 135 = 765), 20% were not sold.
Unsold transistors = 765 * 20/100 = 153

3. Calculate the number of sold transistors:
Sold transistors = Total transistors - Defective transistors - Unsold transistors
Sold transistors = 900 - 135 - 153 = 612

Therefore, the correct answer is option 'C' - 612.
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