Number System Questions and Answers

1.Which of the following fraction is the smallest?\frac{7}{6}, \frac{7}{9}, \frac{4}{5}, \frac{5}{7}
 A. 7/6
 B. 7/9
 C. 4/5
 D. 5/7
 
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2.The divisor is 25 times the quotient and 5 times the remainder. If the quotient is 16, the dividend is:
 A. 400
 B. 480
 C. 6400
 D. 6480
 
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3.1/5 of a number exceeds 1/7 of the same number by 10. The number is:
 A. 125
 B. 150
 C. 175
 D. 200
 
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4.\frac{1}{20} + \frac{1}{30} + \frac{1}{42} + \frac{1}{56} + \frac{1}{72} + \frac{1}{90} + \frac{1}{110} + \frac{1}{132} is equal to:
 A. 1/8
 B. 1/7
 C. 1/6
 D. 1/10
 
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5.The digit in unit's place of the product (2153)167 is:
 A. 1
 B. 3
 C. 7
 D. 9
 
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6.The sum of all natural numbers from 75 to 97 is:
 A. 1598
 B. 1798
 C. 1958
 D. 1978
 
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7.Sum of two numbers is 40 and their product is 375. What will be the sum of their reciprocals?
 A. 8/75
 B. 1/10
 C. 75/8
 D. 75/4
 
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8.Which of the following is the largest fraction?\frac{6}{7}, \frac{5}{6}, \frac{7}{8}, \frac{4}{5}
 A. 6/7
 B. 4/5
 C. 5/6
 D. 7/8
 
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