Questions

Laconic means using only few words in his/her speech or while talking.

In the given options, talkative, wordy and long are all opposite to laconic and brief is the only word which is similar in meaning of laconic.

It is statement of balances of all the accounts in the ledger prepared to prove the arithmetical accuracy of the books of accounts.

A trial Balance is a list of Debit and Credit or a list of Debit & Credit Balance of all the ledger accounts prepared on any particular date

A source program is is a text file that contains instructions or a program written in a language other than machine code, typically a high-level language.

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 10⁸ m/s. 

Echolocation is an adaptation bats use to hunt insects in flight, locate flowering plants and find warm places for hibernation.

Fratricide means the accidental killing of one's own forces in war.

Failures in the direct fire control plan can lead to be a cause of fratricide.