Number System practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
Which one of the following will divide (3²⁵ + 3²⁶ + 3²⁷ + 3²⁸) completely? Explanation Therefore, the expression contains: 2 × 3 × 5 = 30 Hence it is divisible by 30.
निम्नलिखित में से कौन (3²⁵ + 3²⁶ + 3²⁷ + 3²⁸) को पूर्णतः विभाजित करेगा?
व्याख्या: Take 3²⁵ common: 3²⁵ + 3²⁶ + 3²⁷ + 3²⁸ = 3²⁵(1 + 3 + 9 + 27) = 3²⁵ × 40 Now, 40 = 2³ × 5 And 3²⁵ contains factor 3.
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Correct Answerसही उत्तर
D. 30
Explanationव्याख्या
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