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PrepSnapprepsnap.in • Mock Test

Question:

[49]. विषम संख्या ज्ञात करें (Classification): / Find the odd number out:

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Correct Answer:

सभी संख्याएँ पूर्ण घन (Perfect Cubes) हैं:

, , , ।

यहाँ और अभाज्य (Prime) संख्याएँ हैं, जबकि एक भाज्य (Composite) संख्या है। अतः विषम है। / All are perfect cubes. However, 11, 13, and 17 are prime numbers, whereas 15 is a composite number. Hence is the odd one.

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