If - stands for division- - for multiplication- - - for subtraction and - for addition- which one of the following equations is correct-

The correct option is B 6 + 20 12 ÷ 7 1=3 Option A 6+20 12÷ 7 1 Replace the sign according to the question 6× 20÷ 12 7÷ 1 120÷12 7 10 ...

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Byju's Answer

Standard XII

Mathematics

Arithmetic Progression

If '-' stan...

Question

If $^{'} -^{'}$ stands for division, $^{'} +^{'}$ for multiplication, $^{'} \div^{'}$ for subtraction and $^{'} \times^{'}$ for addition, which one of the following equations is correct.

6 + 20 - 12 \div 7 - 1 = 3

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6 - 20 \div 12 + 7 + 1 = 3

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6 + 20 - 12 \div 7 \times 1 = 3

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6 \div 20 \times 12 + 7 - 1 = 3

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Solution

The correct option is B $6 + 20 - 12 \div 7 - 1 = 3$
Option A
$6 + 20 - 12 \div 7 - 1$
Replace the sign according to the question
$6 \times 20 \div 12 - 7 \div 1$
$120 \div 12 - 7$
$10 - 7$
$3$
That is correct.

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Q. If

\times

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stands for subtraction, + stands for multiplication and - stands for division, then

(20 \times 6 \div 6 \times 4)

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Q. Find the mode for the following frequency distribution.

Class	$4 - 8$	$8 - 12$	$12 - 16$	$16 - 20$	$20 - 24$	$24 - 28$
Frequency	$9$	$6$	$12$	$7$	$15$	$3$

Verify the following :

(i) $\frac{3}{7} \times (\frac{5}{6} + \frac{12}{13}) = (\frac{3}{7} \times \frac{5}{6}) + (\frac{3}{7} \times \frac{12}{13})$
(ii) $\frac{- 15}{4} \times (\frac{3}{7} + \frac{- 12}{5}) = (\frac{- 15}{4} \times \frac{3}{7}) + (\frac{- 15}{4} \times \frac{- 12}{5})$
(iii) $(\frac{- 8}{3} + \frac{- 13}{12}) \times \frac{5}{6} = (\frac{- 8}{3} \times \frac{5}{6}) + (\frac{- 13}{12} \times \frac{5}{6})$
(iv) $\frac{- 16}{7} \times (\frac{- 8}{9} + \frac{- 7}{6}) = (\frac{- 16}{7} \times \frac{- 8}{9}) + (\frac{- 16}{7} \times \frac{- 7}{6})$

Q. Some random natural numbers are choosen by Talyor which are as follows:

2, 3, 2, 6, 7, 12, 3, 6, 2, 7, 12, 12, 7, 6, 3, 3

Which option is the correct tabular representation for the data given above?

Q. The mode for the following frequency distribution is:

Size of items	Frequency	Size of items	Frequency
0-4	5	20-24	10
4-8	7	24-28	6
8-12	9	28-32	3
12-16	17	32-36	1
16-20	12	36-40	0

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If ′−′ stands for division, ′+′ for multiplication, ′÷′ for subtraction and ′×′ for addition, which one of the following equations is correct.

The correct option is B 6+20−12÷7−1=3Option A6+20−12÷7−1Replace the sign according to the question6×20÷12−7÷1120÷12−710−73That is correct.

If $^{'} -^{'}$ stands for division, $^{'} +^{'}$ for multiplication, $^{'} \div^{'}$ for subtraction and $^{'} \times^{'}$ for addition, which one of the following equations is correct.

The correct option is B $6 + 20 - 12 \div 7 - 1 = 3$
Option A
$6 + 20 - 12 \div 7 - 1$
Replace the sign according to the question
$6 \times 20 \div 12 - 7 \div 1$
$120 \div 12 - 7$
$10 - 7$
$3$
That is correct.