Find the value of -14 - 7 - 2-14 -7 - 2-

The correct option is B 1, 4(14 ÷ 7)÷ 2 Breaking it down as: (14 ÷ 7)=2 Then, 2/2=1 ∴ (14 ÷ 7)÷ 2 = 1 And 14 ÷ (7÷ 2) Breaking it down as: (7 ÷2)=7/2 Then, ( ...

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Standard VIII

Mathematics

Integers

Find the valu...

Question

Find the value of :
$(14 \div 7) \div 2 =$
$14 \div (7 \div 2) =$

1, 1

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1, 4

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-1, -1

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2, 3

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Solution

The correct option is B 1, 4
$(14 \div 7) \div 2$
Breaking it down as:
$(14 \div 7) = 2$
Then,
$\frac{2}{2} = 1$

$∴ (14 \div 7) \div 2 = 1$

And
$14 \div (7 \div 2)$
Breaking it down as:
$(7 \div 2) = \frac{7}{2}$
Then,
$(14 \div \frac{7}{2}) = (14 \times \frac{2}{7})$
$(28 \div 7) = 4$

$∴ 14 \div (7 \div 2) = 4$

Note: Division of integers doesn't follow the law of associativity.

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Similar questions

Q. Find the value

\frac{2}{5} \times [\frac{- 3}{7}] + \frac{1}{14} \times \frac{2}{5} - \frac{1}{4}

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(ii) (35 − 14)

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(iii) 35 − 14

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$3 \frac{2}{7} - 2 \frac{3}{14} - 1 \frac{2}{7} = ? + 2 \frac{3}{14}$

Q. The coefficient of the term independent of x in the expansion of

{(a x + \frac{b}{x})}^{14}

is
(a)

14! a^{7} b^{7}

(b)

\frac{14!}{7!} a^{7} b^{7}

(c)

\frac{14!}{{(7!)}^{2}} a^{7} b^{7}

(d)

\frac{14!}{{(7!)}^{3}} a^{7} b^{7}

Find the value of $\frac{8}{7} - \frac{1}{14}$

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Find the value of : (14÷7)÷2= ____ 14÷(7÷2)= ____

The correct option is B 1, 4(14÷7)÷2 Breaking it down as: (14÷7)=2 Then, 22=1 ∴(14÷7)÷2=1 And 14÷(7÷2) Breaking it down as: (7÷2)=72 Then, (14÷72)=(14×27) (28÷7)=4 ∴14÷(7÷2)=4 Note: Division of integers doesn't follow the law of associativity.

Find the value of :
$(14 \div 7) \div 2 =$
$14 \div (7 \div 2) =$