84 \div[50-\{4^{3}-(30-128 \div \ov {8\times4})\}]=?

8RB Group D 23-Sep-2018 Shift 1 Solved Paper

Question : 4 of 100

Marks: +1, -0

84 ÷[50-\{4^{3}-(30-128

÷ \ov {8×4})\}]=?

Solution:

84 \÷[50-\{64-(30-128 \÷32)\}]

=84 \÷[50-\{64-(30-4)\}]

=84 \÷[50-\{64-26\}]

=84 \÷[50-38]=84 \÷12=7

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