Recent questions tagged ch-1

What number should be added to $\large\frac{7}{12}$ to get $\large\frac{4}{15}$

asked Jan 12, 2015 by meena.p

1 answer

If product of two number is $ 25 \large\frac{3}{8}$ if one of them is $15 \large\frac{9}{40}$, then other number is

asked Jan 12, 2015 by meena.p

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Evaluate : $ \large\frac{-12}{5} + \frac{-7}{20} +\frac{3}{14} +\frac{1}{7} +\frac{-1}{10}$

asked Jan 12, 2015 by meena.p

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What number should be added to $\large\frac{-5}{8}$ so as to get $\large\frac{5}{9}$?

asked Jan 12, 2015 by meena.p

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Divide the sum of $\large\frac{65}{12}$ and $\large\frac{8}{3}$ by their difference.

asked Jan 12, 2015 by meena.p

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The cost of $7\large\frac{2}{3}$ meters of rope $ 12 \large\frac{3}{4}$ Find its cost per meter.

asked Jan 12, 2015 by meena.p

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If $\large\frac{7}{m} =\frac{49}{63}$, find the value of m.

asked Jan 12, 2015 by meena.p

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Find out a rational number lying halfway between $\large\frac{2}{7}$ and $\large\frac{3}{4}$

asked Jan 12, 2015 by meena.p

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Find the reciprocal of $\large\frac{-4}{5} \times \frac{6}{-7}$

asked Jan 11, 2015 by meena.p

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Simplify $\bigg( \large\frac{-12}{7} \times \frac{35}{16}\bigg)-\bigg(\large\frac{9}{5} \times \frac{4}{3}\bigg)$

asked Jan 11, 2015 by meena.p

1 answer

Two rational numbers with different numerators are equal , if their numerators are in the same ________ as their denominators.

asked Jan 11, 2015 by meena.p

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The product of two numbers is $\large\frac{-20}{9}$. If one of the number is 4. find the other number

asked Jan 11, 2015 by meena.p

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A rational number is such that when you multiply it by $\large\frac{5}{2}$ and add $ \large\frac{2}{3}$ to the product , you get $\large\frac{-7}{12}$ What is the number ?

asked Jan 11, 2015 by meena.p

1 answer

The ages of Rahul and Hari are in the ratio $5:7$ Four years later the sum of their ages will be $56$ years . What are their present age ?

asked Jan 11, 2015 by meena.p

1 answer

Three consecutive integers add upto $51$ . What are these integers

asked Jan 11, 2015 by meena.p

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Three consecutive integers add upto $51$. What are these integers ?

asked Jan 9, 2015 by meena.p

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Two numbers are in the ratio $5:3$ If they differ by $18$, what are the number ?

asked Jan 9, 2015 by meena.p

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Sum of two numbers is $95$. If one exceeds the other by $15$ , find the number

asked Jan 9, 2015 by meena.p

1 answer

The base of an isosceles triangles is $\large\frac{4}{3}$$\;cm$. The perimeter of the triangle is $4 \large\frac{2}{15}$$\;cm$ What is the length of either of the remaining equal sides ?

asked Jan 9, 2015 by meena.p

1 answer

The perimeter of a rectangular swimming pool is $154\;m$ Its length is 2 m more than twice is breadth , What are the length and breadth of the pool ?

asked Jan 9, 2015 by meena.p

2 answers

Is $\large\frac{8}{9}$ the multiplicative inverse of $\large\frac{-1}{8}$? Why or Why not ?

asked Jan 9, 2015 by meena.p

1 answer

Multiply $\large\frac{6}{13}$ by the reciprocal of $ \large\frac{-7}{16}$

asked Jan 9, 2015 by meena.p

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Find $\large\frac{-2}{3} \times \large\frac{3}{5} +\frac{5}{2}- \frac{3}{5} \times \frac{1}{6}$

asked Jan 9, 2015 by meena.p

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Divide $\large\frac{-16}{21}$ by $\large\frac{-4}{3}$

asked Jan 9, 2015 by meena.p

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If 24 trousers of equal size can be prepared in 54 metres of cloth, what length of cloth is required for each trousers.

asked Jan 9, 2015 by meena.p

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Divide the sum of $\large\frac{13}{5}$ and $\large\frac{-12}{7}$ by product of $\large\frac{-31}{7}$ and $\large\frac{-1}{2}$

asked Jan 9, 2015 by meena.p

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What number should be subtracted from $\large\frac{-2}{3} $ to get $\large\frac{-1}{2}$?

asked Jan 9, 2015 by meena.p

1 answer

Find the value of $\bigg(\large\frac{-9}{5}\bigg)+\bigg(\large\frac{-8}{5} \bigg) \div \large\frac{5}{2} \times \bigg( \large\frac{-5}{4}\bigg)$

asked Jan 9, 2015 by meena.p

1 answer

If you subtract $\large\frac{1}{2}$ from a number and multiply the result by $\large\frac{1}{2}$ you get $\large\frac{1}{8}$ , What is the number ?

asked Jan 9, 2015 by meena.p

1 answer

The additive inverse of of a negative number

asked Jan 8, 2015 by meena.p

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Find the multiplicative inverse of $\bigg( \large\frac{-13}{19 }\bigg)$

asked Jan 8, 2015 by meena.p

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The product of two numbers is $\large\frac{14}{15}$. If one of the number is $\bigg(\large\frac{-20}{17}\bigg)$, Find the other ?

asked Jan 8, 2015 by meena.p

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Raju earns Rs 16,000 per month. He spends $\large\frac{1}{4}$ of his income on food; $\large\frac{3}{10} $ of the remainder on house rent and $\large\frac{5}{21}$ of the remainder on education of children . How much money is still left with him ?

asked Jan 8, 2015 by meena.p

1 answer

Rational Numbers are not closed under

asked Jan 8, 2015 by meena.p

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Rational number $\large\frac{a}{b}$ is greater than $\large\frac{c}{d}$ if

asked Jan 8, 2015 by meena.p

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A rational number $\large\frac{p}{q}$ is said to be in the simplest form if the HCF of p and q is

asked Jan 8, 2015 by meena.p

1 answer

The sum of two rational number is $ \large\frac{-1}{2}$. IF one of them is $\large\frac{-9}{10}$. find the other

asked Jan 8, 2015 by meena.p

1 answer