missing number question for SSC exam #adda24 #gradeup

In each of the following questions, find the missing number /letters/figure from the given responses : 36, 28, 24, 22, ?

In the following question, select - the missing number from the given alternatives : 13, 24, 37, 61, 98, ?

In the following question, select the missing number from the given series. 23, 29, 24, 30, 25, ?

In the following question, select the missing number from the given series . 6,9,13,18,24 ?