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Numbers Practice Questions & Answers

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If the numerator of a certain fraction increased by 200% and the denominator is increased by 150% the new fraction thus fromed is 9/10. What is the original fraction?

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If the numerator of a certain fraction increased by 200% and the denominator is increased by 150% the new fraction thus fromed is 9/10. What is the original fraction?
1). 3/4
2). 1/4
3). 3/5
4). 2/5

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The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digit is bigger than the original number by 27. What was the original number ?

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The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digit is bigger than the original number by 27. What was the original number ?
1). 64
2). 46
3). 96
4). 69

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In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.

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In each of the following questions, a question is followed by information given in three statements. You have to study the question alongwith the statements and decide the information given in which of the statement (s) is necessary to answer the question.


What is the two digit number?
I. The difference between the two digit number and the number formed by interchanging the digits is 27.
II. The difference between the two digits is 3.
III. The digit at unit?s place is less than that at ten?s place by 3.
1). Only I and II
2). Only I and either II or III
3). Only I and III
4). All I, II and III

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When a two-digit odd number is divided by a two digit even number, the quotient is 0.625. If the odd is 5 less than the even number, then which of the following will definitely be the ratio of the odd and even numbers respectively ?

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When a two-digit odd number is divided by a two digit even number, the quotient is 0.625. If the odd is 5 less than the even number, then which of the following will definitely be the ratio of the odd and even numbers respectively ?
1). 5:8
2). 8:5
3). 6:9
4). Cannot be determined

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If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is $$\frac{7}{19}$$. What is the original fraction ?

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If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is $$\frac{7}{19}$$. What is the original fraction ?
1). $$\frac{10}{19}$$
2). $$\frac{5}{9}$$
3). $$\frac{9}{5}$$
4). $$\frac{19}{5}$$