Question Details

What will come in the place of question (?) mark in following the question:
1446+1805+2107=?+10

Options

A

80

B

90

C

100

D

110

Show Answer

Correct Answer :

Option A

80

80

Solution :

To find the value that comes in place of the question mark (?), we can set up the equation and solve it step-by-step.

The given equation is:

144 6 + 180 5 + 210 7 = ? + 10

First, let's simplify each fraction on the left-hand side of the equation:

1. Divide 144 by 6:
144 6 = 24

2. Divide 180 by 5:
180 5 = 36

3. Divide 210 by 7:
210 7 = 30

Now, substitute these simplified values back into the equation:

24 + 36 + 30 = ? + 10

Add the numbers on the left-hand side:

24 + 36 = 60
60 + 30 = 90

So, the equation becomes:

90 = ? + 10

To isolate the question mark (?), subtract 10 from both sides of the equation:

? = 90 - 10
? = 80

Therefore, the value in place of the question mark is 80.

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