1). Disingenuous2). Surreptitious3). Efficacious4). Ancillary

1.	1). Disingenuous2). Surreptitious3). Efficacious4). Ancillary
Answer» Efficacious means ‘SUCCESSFUL in producing a desired or INTENDED result; effective.’$ The MEANINGS of the other WORDS are:$ Disingenuous: not candid or sincere$ Surreptitious: kept SECRET, especially because it would not be approved of$ Ancillary: in addition to something else, but not as important$ Only 'efficacious’ conveys a meaning in both the sentences.$ Hence the correct answer is option 3.$

Answer»

Efficacious means ‘SUCCESSFUL in producing a desired or INTENDED result; effective.’$

The MEANINGS of the other WORDS are:$

Disingenuous: not candid or sincere$

Surreptitious: kept SECRET, especially because it would not be approved of$

Ancillary: in addition to something else, but not as important$

Only 'efficacious’ conveys a meaning in both the sentences.$

Hence the correct answer is option 3.$

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