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Standard Form of Exponents

Question 0 4I...

Question

Question 04

In the standard form of a rational number, the common factor of numerator and denominator is always

(a) 0

(b) 1

(c) -2

(d) 2

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Solution

By definition, in the standard form of a rational number, the common factor of numerator and denominator is always 1.

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Question 10

In the standard form of a rational number, the denominator is always a

(a) 0

(b) negative integer

(c) positive integer

(d) 1

Question 98

Solve the following:

If numerator is 2 less than denominator of a rational number and when 1 is substracted from numerator and denominator both, the rational number in its simplest form is $\frac{1}{2}$ . What is the rational number?

To reduce a rational number to its standard form, we divide its numerator and denominator by their

(a) LCM

(b) HCF

(c) Product

(d) Multiple

Q. Question 7
The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 and the denominator is decreased by 1, the number obtained is

\frac{3}{2}

. Find the rational number.

Q. The numerator of a rational number is 3 less than the denominator. If the denominator is increased by 5 and the numerator by 2, we get the rational number 1/2. Find the rational number.

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Standard Form of Exponents

Standard VII Mathematics

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