PPSC PAST PAPER ASSISTANT in PPSC 2022 Solved MCQsA certain number of two digits is three times the sum of its digits and if 45 be added to it ,it’s digits are reversed. find the numberA. 27 B. 34 C. 22 D. 12 Who invented zero first in India?A man takes a loan for 3 years of 60000 at the rate of 9% how much he will pay after 3 years ?