Question 144Asked in BPSC TRE 3.0 (2024) Mathematics Class 9-10

If 40% of 25% of a number is 80, then its 60% isकिसी संख्या के 25% का 40% 80 है, उसी संख्या का 60% कितना होगा?

किसी संख्या के 25% का 40% 80 है, उसी संख्या का 60% कितना होगा?
  1. A480480
  2. B450450
  3. C400400
  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: (A) 480480

Explanation

40% of 25% = 10%, so the number = 800; 60% of 800 = 480.25% का 40% = 10%, अतः संख्या 800; उसका 60% = 480।

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

This is question 144 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.