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Numbers Practice Questions & Answers

0 vote

The sum of two numbers is 65 and the HCF of the two numbers is 5. If the LCM of the two numbers is 180, what is the sum of the reciprocals of the two numbers?

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The sum of two numbers is 65 and the HCF of the two numbers is 5. If the LCM of the two numbers is 180, what is the sum of the reciprocals of the two numbers?
1). 11/13
2). 11/625
3). 13/625
4). 11/180

0 vote

Number obtained by interchanging the digits of a two digit number is less than the original number by 18, and the sum of the digit is 6 what is the original two-digit number ?

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Number obtained by interchanging the digits of a two digit number is less than the original number by 18, and the sum of the digit is 6 what is the original two-digit number ?
1). 46
2). 24
3). 42
4). 64

39 vote

If the numerator of a fraction is increased by 300% and its denominator is increased In 200%. the resultant fraction becomes 4/15. What is the original fraction ?

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If the numerator of a fraction is increased by 300% and its denominator is increased In 200%. the resultant fraction becomes 4/15. What is the original fraction ?
1). $$\frac{3}{5}$$
2). $$\frac{4}{5}$$
3). $$\frac{2}{5}$$
4). $$\frac{1}{5}$$

0 vote

If the Numerator of the fraction is increased by the 600% and Denominator is increased by 200 % The resulting fraction is $$2\frac{4}{5}$$ . Then what is the original Fraction ?

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If the Numerator of the fraction is increased by the 600% and Denominator is increased by 200 % The resulting fraction is $$2\frac{4}{5}$$ . Then what is the original Fraction ?
1). $$\frac{4}{7}$$
2). $$\frac{13}{12}$$
3). $$\frac{11}{12}$$
4). $$\frac{6}{5}$$

19 vote

The number obtained by interchanging the digits of a two-digit number is less than the original number by 63 If the sum of the digits of the number is 11, what is the original number ?

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The number obtained by interchanging the digits of a two-digit number is less than the original number by 63 If the sum of the digits of the number is 11, what is the original number ?
1). 29
2). 92
3). 74
4). Cannot be determined