Find the value of 2.1+2.25 \\div[63 -\{7.5 \\times8+(13-2.5 \\times5)\}]

SSC CHSL 12 Oct 2020 Shift 2 Paper

Question : 61 of 100

Marks: +1, -0

Find the value of

2.1+2.25 \÷[63

-\{7.5 \×8+(13-2.5 \×5)\}]

Solution:

2.1+2.25 \÷[63

-\{7.5 \×8+(13-2.5 \×5)\}]

By using BODMAS,

=2.1+2.25 \÷[63-\{60+(13-12.5)\}]

=2.1+2.25 \÷[63-\{60+0.5\}]

=2.1+2.25 \÷[63-60.5]

⇒

2.1+2.25 \÷2.5=2.1+0.9=3

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