The no .of ways of selecting a prime numbers from First 10 natural numbers is

^{10} C_{4}

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^{4} C_{10}

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^{10} P_{4}

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^{10} C_{5}

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Solution

The correct option is A $^{10} C_{4}$
The prime numbers are $2, 3, 5, 7$
No.of numbers $= 4$
Total no .of numbers $10$
No .of ways to select is given as $^{10} C_{4}$
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