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Question 103Asked in BPSC TRE 3.0 (2024) Mathematics Class 9-10

If 11 pencils are bought for ₹10 and 10 pencils are sold for ₹11; then the gain is :यदि 11 पेंसिलें ₹10 रूपये में खरीदी जाती हैं और 10 पेंसिलें ₹11 में बेची जाती हैं तो उसमें लाभ है

यदि 11 पेंसिलें ₹10 रूपये में खरीदी जाती हैं और 10 पेंसिलें ₹11 में बेची जाती हैं तो उसमें लाभ है
  1. A18%18%
  2. B16%16%
  3. C21%21%
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (C) 21%21%

Explanation

CP of 1 pencil = 10/11, SP = 11/10. Gain = (11/10 ÷ 10/11 − 1) × 100 = (121/100 − 1) × 100 = 21%.1 पेंसिल का क्रय मूल्य 10/11, विक्रय मूल्य 11/10; लाभ = (121/100 − 1) × 100 = 21%।

From BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper

This is question 103 of BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.