Reciprocal of 31-2 is

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Byju's Answer

Standard VII

Mathematics

Addition of Rational Numbers

Reciprocal of...

Question

Reciprocal of $3 \frac{1}{2}$ is

\frac{7}{2}

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\frac{2}{7}

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1 \frac{2}{3}

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none

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Solution

The correct option is B $\frac{2}{7}$
The reciprocal of a number is just divide 1 by the number.
$∴$ Reciprocal of $3 \frac{1}{2}$ i.e $\frac{7}{2}$ is $\frac{2}{7}$
Option B is correct.

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Similar questions

Q. Reciprocal of

\frac{7}{2}

is-

Evaluate :

$(i) \frac{3}{7} + \frac{- 4}{9} + \frac{- 11}{7} + \frac{7}{9} (i i) \frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5} (i i i) \frac{4}{7} + 0 + \frac{- 8}{9} + \frac{- 13}{7} + \frac{17}{9} (i v) \frac{3}{8} + \frac{- 5}{12} + \frac{3}{7} + \frac{3}{12} + \frac{- 5}{8} + \frac{- 2}{7}$

Q. The reciprocal of

\frac{2}{7} \times \frac{1}{5}

is _____.

7

times the reciprocal of a number added to

\frac{2}{3}

3

, find the number.

$\frac{3}{8} \times \frac{2}{7} \times \frac{8}{3} \times 3 \frac{1}{2}$ equals

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Reciprocal of 312 is

The correct option is B 27The reciprocal of a number is just divide 1 by the number. ∴ Reciprocal of 312 i.e 72 is 27Option B is correct.

Reciprocal of $3 \frac{1}{2}$ is

The correct option is B $\frac{2}{7}$
The reciprocal of a number is just divide 1 by the number.
$∴$ Reciprocal of $3 \frac{1}{2}$ i.e $\frac{7}{2}$ is $\frac{2}{7}$
Option B is correct.