# Aptitude  Number series  Practice Q&A - Easy

1. The smallest 3 digit prime number is:

 101 103 109 113

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2. Which one of the following numbers is exactly divisible by 11?

 235641 245642 315624 415624

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3. (?) - 19657 - 33994 = 9999

 63650 53760 59640 61560

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4. $\dfrac{753 \times 753 + 247 \times 247 - 753 \times 247}{753 \times 753 \times 753 + 247 \times 247 \times 247}$=?

 $\dfrac{1}{1000}$ $\dfrac{1}{506}$ $\dfrac{253}{500}$ None of these

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5. (?) + 3699 + 1985 - 2047 = 31111

 34748 27474 30154 27574

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6. 107 x 107 + 93 x 93 = ?

 19578 19418 20098 21908

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7. How many of the following numbers are divisible by 3 but not by 9 ?
2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

 5 6 7 None of these

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8. $\dfrac{(963 + 476)^2 + (963 - 476)^2}{(963 \times 963 + 476 \times 476)}$=?

 1449 497 2 4

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9. 8597 - ? = 7429 - 4358

 5426 5706 5526 5476

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10. The smallest prime number is:

 1 2 3 4

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