engineering recuitment BHEL Engineer Trainee Mock Test 2025 English Vocabulary One Word Substitution
Select the most appropriate option that can substitute the underlined segment in the given sentence.
Brian remained silent during the board meeting, though Rahul was unaware that he had an ace up his sheath the entire time.
1
an ace up his sleeve
2
an ace up his fortune
3
an ace up his teeth
4
an ace up his head