Simplification Test 7

Question : 8 of 40

Marks: +1, -0

{144+32÷?-8}/{35÷{1/2}\of1/2}=1

, then which of the following should replace the sign of interrogation?

Solution:

{144+32÷?-8}/{35÷{1/2}\of1/2}=1

⇒{144+32 /?-8}/{35÷{1/4} }=1

⇒{136+32 /? }/{35/{1/4} }=1

⇒{136+32 /? } =35×4=140

⇒32/?=140-136=4

⇒?=32/4=8

∴ Sign of interrogation (?) will be replaced by 8.

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