The board of directors ___________ anxious. * A. are B. have been C. has been D. were ​

Fill in the blanks with the most appropriate word. whimsical or impromptu pictures'. It ___ in existence since (a) had been (b) has been (c) was (d) is

The average age of board of directors of a company having 10 directors was 48 years. Coincidentally when a director aged 53 registered from the board of directors another director died on the same day . So new director joined the board of directors aged 34. next year in the same month the average age of all the 9 directors was found to be 46 years. The age of the late director at the time of his death was:

A pair of trousers ...... been sewed. (has/have)