Aptitude  Number series  Practice Q&A

61. A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is:

0 1 2 3

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62. The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?

$ \dfrac{12}{35} $ $ \dfrac{1}{35} $ $ \dfrac{35}{8} $ $ \dfrac{7}{32} $

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63. What will be remainder when 17200 is divided by 18 ?

17 16 1 2

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64. If 1400 x $x$ = 1050. Then, $x$ = ?

$ \dfrac{1}{4} $ $ \dfrac{3}{5} $ $ \dfrac{2}{3} $ $ \dfrac{3}{4} $

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65. (12 + 22 + 32 + ... + 102) = ?

330 345 365 385

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66. The difference of the squares of two consecutive even integers is divisible by which of the following integers ?

3 4 6 7

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67. Which one of the following is a prime number ?

119 187 247 None of these

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68. The sum all even natural numbers between 1 and 31 is:

16 128 240 512

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69. The difference between the place value and the face value of 6 in the numeral 856973 is

973 6973 5994 None of these

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70. If a and b are odd numbers, then which of the following is even ?

a + b a + b + 1 ab ab + 2

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