What should come in place of the question mark (?) in the given series? 173 151 130 110 91 ? A64B78C73D56Answer: C. 73 Read Explanation: Series: 173, 151, 130, 110, 91, ?Differences നോക്കാം:173−151=22173 - 151 = 22173−151=22151−130=21151 - 130 = 21151−130=21130−110=20130 - 110 = 20130−110=20110−91=19110 - 91 = 19110−91=19Pattern: subtracting 22, 21, 20, 19Next step:91−18=7391 - 18 = 7391−18=73Final Answer:73\boxed{73}73 Read more in App