2 - 91 - 7 - 82 - 59 - -

The correct option is D 664Given equation is: 2 + 91 ÷ 7 + 82 + 59 = ? After making following changes:1,2,3 and 4 are changed to 6.5, 6, 7 and 8 are change ...

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Standard XII

Mathematics

Manipulation of a linear equation

2 + 91 ÷ 7 ...

Question

2 + (91 $\div$ 7) + 82 + 59 = ?

156

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125

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446

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664

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Solution

The correct option is D 664
Given equation is:
$2 + 91 \div 7 + 82 + 59 = ?$
After making following changes:
1,2,3 and 4 are changed to 6.
5, 6, 7 and 8 are changed to 4.
0 and 9 remain as 0 and 9 (no change). The equation becomes:
$6 + 96 \div 4 + 46 + 49 = 6 + 24 + 46 + 49 = 125$
Now, after changing it again:
125 will be 664

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2 + (91 ÷ 7) + 82 + 59 = ?

The correct option is D 664Given equation is:2+91÷7+82+59=?After making following changes:1,2,3 and 4 are changed to 6.5, 6, 7 and 8 are changed to 4.0 and 9 remain as 0 and 9 (no change). The equation becomes:6+96÷4+46+49=6+24+46+49=125Now, after changing it again:125 will be 664

2 + (91 $\div$ 7) + 82 + 59 = ?