What is meaning of solve?
transitive verb. 1 : to find a solution, explanation, or answer for solve a problem solved the crime. 2 : to pay in full solve a debt.
Is the T silent in exactly?
In practice, yes it is virtually silent unless one makes a special effort to pronounce it. When we have a consonant cluster here /ktl/ one sound is often not heard. The linguistice term for it is “dissimilation”.