RRB RPF RPSF SI and CONS Model Papers 8 with solutions

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Question : 65 of 120

Marks: +1, -0

2√ ^3 {32}-3 √ ^3{4}+√ ^3 {500}

is equal to :

4 $√^3 {6}$
3 $√{24}$
6 $√^3{4}$
916

Solution:

(3)

?=2 √^3{{8 × 4}}-3 √^3{{4}}+√^3{{125 × 4}

?=2 × 2 √^3{4}-3 √^3{4}+5 √^3{4}

= 6 √^3{4}

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