1. He believes in getting value for money, and it would be inappropriate to interpret his _______ as _______.   indolence..indigence   frugality..penury   insolence..intransigence   diffidence..paucity   lassitude..levity   Hint Hint       2. It is economically beneficial to increase the capacity of an industrial plant when the revenue can be increased without a _______ increase in the cost of production.   commensurate   compliant   warranted   precarious   controlled   Hint       3. After having _______ arguments virtually every other day, the couple agreed that it was best for them to separate.   acerbic   effulgent   astringent   saturnine   assiduous   Hint       4. The educational system had _______ over a period of time when the authorities got preoccupied with petty politics and did not bother to update the curriculum.   underscored   relegated   adulterated   burnished   ossified   Hint       5. Scientific investigations of fluid flow behavior around objects like high-speed aircrafts are complex; however, the systems are _______ when experiments are performed in scaled-down versions such as wind tunnels.   implacable   turbulent   tractable   permeable   malleable   Hint       6. The management and the labor union reached an unexpected agreement in the best interests of the company after managing to _______ the conflicts they had.   delineate   deride   bolster   confound   reconcile   Hint       7. She was _______ liar who had mastered the art of making untrue statements in a manner they sounded _______.   a blatant..incongruous   a mundane..credulous   a convincing..illogical   an incorrigible..plausible   a congenital..creditable   Hint