Question

Statement : Let there be a signboard also indicating the directions and instructions.

Assumptions :
a) Signboard can be prepared without using any language.
b) Signboard is the only effective tool to indicate directions.
A) Both a and b are not sufficient
B) Only a is sufficient
C) Only b is sufficient
D) Both a and b are sufficient

Answer 1

Statement : Let there be a signboard also indicating the directions and instructions.

Assumptions :
a) Signboard can be prepared without using any language.
b) Signboard is the only effective tool to indicate directions.
A) Both a and b are not sufficient
B) Only a is sufficient
C) Only b is sufficient
D) Both a and b are sufficient

=> A) Both a and b are not sufficient 

Explanation:
The statement doesn't give any clue to the use of language. Hence a is not implicit. b is also not implicit because in the sentence 'only' indicates false meaning.

Answer 2

$\huge{\bold{\red{Heya!!!}}}$

$\bold{\blue{Here\:is\:your\: answer\: }}$

Option D is Correct

$\bold{\green{✓✓✓✓✓✓✓✓✓}}$

$\bold{\red{Hope\:it\:will\:help\:you\:}}$