निम्नलिखित समीकरण में '?’ के स्थान पर क्या आएगा, यदि ‘+' और ‘÷' को आपस में बदल दिया जाए तथा ‘x' और ‘-’ को आपस में बदल दिया जाए?

27 ÷ 14 x 21 + 3 - 4 = ?

This question was previously asked in
RRB Technician Grade III Official Paper (Held On: 29 Dec, 2024 Shift 1)
View all RRB Technician Papers >
  1. 13
  2. 10
  3. 16
  4. 15

Answer (Detailed Solution Below)

Option 1 : 13
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दिया गया समीकरण:

27 ÷ 14 x 21 + 3 - 4 = ?

BODMAS नियम:

‘+' और ‘÷' तथा ‘x' और ‘-’ को आपस में बदलने पर हमें प्राप्त होता है

27 + 14 - 21 ÷3 x 4

⇒ 27 + 14 - 7 x 4

⇒ 41 - 28 = 13

इसलिए, सही उत्तर "विकल्प 1" है।

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