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romi kadbe

· started a discussion

· 1 Months ago

question is wrong or inappropriate (Question: 106240.0 )

it should notify as what should be the approximate value come?

Question:

DIRECTIONS: What approximate value will come in place of the question mark?

                

30.9 × 3000 - 10.1 × 1100 + 8298 - 4302 = ? × 1000

Options:
A) 80 
B) 90
C) 105 
D) 85
E) None of these
Solution:

30.9 × 3000 - 10.1 × 1100 + 8298 - 4302 = ? × 1000


31 × 3000 - 10 × 1100 + 8300 - 4300 = ? × 1000


93000 - 11000 + 8300 - 4300 = ? × 1000


82000+8300-4300 =? x 1000


82000 + 4000 ? x 1000


78000 = ? x 1000


? = 78


kanhaiya jha

· commented

· 1 Months ago

30.9 × 3000 - 10.1 × 1100 + 8298 - 4302 = ? × 1000

31 × 3000 - 10 × 1100 + 8300 - 4300 = ? × 1000

93000 - 11000 + 8300 - 4300 = ? × 1000

82000+8300-4300 =? x 1000

82000 + 4000 ? x 1000

78000 = ? x 1000

? = 78
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