What is the value of the following? -15+90 \\div[89-\{9 \\times8+(33-3 \\times7)\}]

SSC CHSL 12 Oct 2020 Shift 1 Paper

Question : 68 of 100

Marks: +1, -0

What is the value of the following?

-15+90 \÷[89-\{9 \×8+(33-3 \×7)\}]

Solution:

-15+90 \÷[89-\{9 \×8+(33-3 \×7)\}]

By using BODMAS rule,
⇒

-15+90 \÷[89-\{72+(33-21)\}]

⇒

-15+90 \÷(89-\{72+12\}]

⇒

-15+90 \÷[89-84]

⇒

-15+90 \÷5

⇒

-15+18

⇒ 3

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