Recent questions in Class 7

The sum of two rational number is -10 and one of them is -4\large\frac{1}{2}. The other number is

asked Oct 14, 2015 by pady_1

1 answer

The additive inverse of \large\frac{-c}{d} is

asked Oct 14, 2015 by pady_1

0 answers

Is \large\frac{1}{0} a rational number.

asked Oct 14, 2015 by pady_1

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What should be subtracted from \large\frac{-4}{5} so as to get \large\frac{6}{15}?

asked Oct 14, 2015 by pady_1

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Which rational number should be added to \large\frac{-7}{11} so as to get \large\frac{4}{7}?

asked Oct 14, 2015 by pady_1

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The sum of two rational numbers is \large\frac{-3}{5}. If one of the number is \large\frac{-9}{2}0, find the other.

asked Oct 14, 2015 by pady_1

0 answers

Simplify: \large\frac{-28}{81} by \large\frac{-27}{(-14)}

asked Oct 14, 2015 by pady_1

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By what number should we multiply \large\frac{16}{-21}, so that the product may be \large\frac{4}{7}.

asked Oct 14, 2015 by pady_1

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The product of two rational numbers is \large\frac{-12}{35} . If one of the numbers is \large\frac{3}{7}, find the other.

asked Oct 14, 2015 by pady_1

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

asked Oct 14, 2015 by pady_1

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What should be subtracted from \large\frac{-5}{7} to get -1?

asked Oct 14, 2015 by pady_1

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Simplify: (\large\frac{4}{7} + \large\frac{-8}{9} + \large\frac{-5}{21} + \large\frac{1}{3})

asked Oct 14, 2015 by pady_1

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State True of False : Between any two distinct rational numbers there are infinitely many rational numbers.

asked Oct 14, 2015 by pady_1

1 answer

State True of False : Between any two distinct integers there is always an integer.

asked Oct 14, 2015 by pady_1

0 answers

Simplify: \large\frac{-3}{4}+\large\frac{9}{8} - \large\frac{(-5)}{6}

asked Oct 14, 2015 by pady_1

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Simplify: \large\frac{3}{-15} - \large\frac{7}{-12}

asked Oct 14, 2015 by pady_1

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A child walks \large\frac{7}{24} km towards north and then \large\frac{17}{36} km towards south. How far is the child now from the starting point.

asked Oct 14, 2015 by pady_1

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A man travels a distance of \large\frac{13}{11} km by car and \large\frac{9}{11} km by bus to reach his destination.How much distance did he travel in all ?

asked Oct 14, 2015 by pady_1

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Find the reciprocal of \large\frac{-7}{26}+(\large\frac{-11}{39})

asked Oct 14, 2015 by pady_1

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Find the multiplicate inverse of \large\frac{3}{11}+\large\frac{5}{11}

asked Oct 14, 2015 by pady_1

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Express the number \large\frac{1}{2}+\large\frac{1}{5} as decimal.

asked Oct 14, 2015 by pady_1

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Simplify : \large\frac{56}{25} \div \large\frac{(-7)}{50}

asked Oct 14, 2015 by pady_1

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The product of two rational numbers is \large\frac{-7}{9}. If one of the numbers is \large\frac{-4}{9} find the other number.

asked Oct 14, 2015 by pady_1

0 answers

Simplify and express the result as a rational number in standard form : \large\frac{-14}{9}\times {-27}

asked Oct 14, 2015 by pady_1

1 answer

Multiply \large\frac{9}{-11} by \large\frac{22}{-27}

asked Oct 14, 2015 by pady_1

0 answers

Multiply \large\frac{-3}{7} by \large\frac{7}{5}

asked Oct 14, 2015 by pady_1

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Multiply \large\frac{-2}{9} by \large\frac{33}{54}.

asked Oct 14, 2015 by pady_1

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Subtract \large\frac{4}{5} from \large\frac{5}{4}

asked Oct 14, 2015 by pady_1

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What number should be subtracted from \large\frac{-7}{8} to get \large\frac{5}{9}

asked Oct 14, 2015 by pady_1

0 answers

Adrian earns $16000 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 the education of children. How much money is still left with him?

asked Oct 14, 2015 by pady_1

0 answers

Rita had $300. She spent \large\frac{1}{3} of her money on notebooks and \large\frac{1}{4} of the remainder on stationery items. How much money is left with her?

asked Oct 14, 2015 by pady_1

0 answers

The product of two rational numbers is \large\frac{48}{5}. If one of the rational number is \large\frac{66}{7}, find the other rational number.

asked Oct 14, 2015 by pady_1

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The area of a room is \large\frac{261}{4} m^2. If its breadth is \large\frac{87}{16} meters, what is its length?

asked Oct 14, 2015 by pady_1

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A cord of length \large\frac{143}{2} m has been cut into 26 pieces of equal length. What is the length of each piece?

asked Oct 14, 2015 by pady_1

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The cost of \large\frac{7}{2} meters of cloth is $\large\frac{231}{4}. What is the cost of one meter of cloth?

asked Oct 14, 2015 by pady_1

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An airplane covers 1020 km in an hour. How much distance will it cover in \large\frac{25}{6} hours?

asked Oct 14, 2015 by pady_1

0 answers

One liter of petrol costs $\large\frac{187}{4}. What is the cost of 35 liters of petrol?

asked Oct 14, 2015 by pady_1

0 answers

Find the area of a square plot of land whose each side measures \large\frac{17}{2} meters.

asked Oct 14, 2015 by pady_1

0 answers

Find the area of a rectangular park which is \large\frac{183}{5} m long and \large\frac{50}{3} m broad.

asked Oct 14, 2015 by pady_1

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A car is moving at an average speed of \large\frac{202}{5} km/hr. How much distance will it cover in \large\frac{15}{2} hours?

asked Oct 14, 2015 by pady_1

0 answers

Find the cost of \large\frac{17}{5} meters of cloth at $\large\frac{147}{4} per meter.

asked Oct 14, 2015 by pady_1

0 answers

On one day a rickshaw puller earned $80. Out of his earnings he spent $\large\frac{68}{5} on tea and snacks, $\large\frac{51}{2} on food and $\large\frac{22}{5} on repairs of the rickshaw. How much did he save on that day?

asked Oct 14, 2015 by pady_1

0 answers

Give the additive inverse of large\frac{6}{7}-\large\frac{2}{7}.

asked Oct 14, 2015 by pady_1

0 answers

Give the additive inverse of \large\frac{4}{5}+\large\frac{1}{5}.

asked Oct 14, 2015 by pady_1

0 answers

Pawan gives \large\frac{1}{5} part of his monthly income in charity and deposits \large\frac{1}{6} part in the bank. He spends the remaining amount. What part of his salary does he spend.

asked Oct 14, 2015 by pady_1

1 answer

What number should be added to \large\frac{5}{11} so as to get \large\frac{26}{33}

asked Oct 14, 2015 by pady_1

0 answers

The sum of two rational numbers is –8. If one of the numbers is \large\frac{15}{7} find the other number.

asked Oct 14, 2015 by pady_1

0 answers

The sum of two rational numbers is \large\frac{11}{5}. If one of them is \large\frac{4}{15}. find the other rational number.

asked Oct 14, 2015 by pady_1

0 answers

Simplify :\large\frac{2}{3}+\large\frac{3}{4}+\large\frac{1}{14}

asked Oct 14, 2015 by pady_1

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Find the value of :\large\frac{5}{63}-{-8}{21}

asked Oct 14, 2015 by pady_1

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