Aptitude  Number series  Practice Q&A

1. If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:

0 1 2 None of these

2. The smallest 3 digit prime number is:

101 103 109 113

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

235641 245642 315624 415624

4. (?) - 19657 - 33994 = 9999

63650 53760 59640 61560

5. The sum of first 45 natural numbers is:

1035 1280 2070 2140

6. Which of the following number is divisible by 24 ?

35718 63810 537804 3125736

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

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

8. (?) + 3699 + 1985 - 2047 = 31111

34748 27474 30154 27574

9. If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be:

2 5 6 7

10. The difference between the local value and the face value of 7 in the numeral 32675149 is

75142 64851 5149 69993

 

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