Alpha-Numeric, Number, Ranking and Time Sequence, Logical, Alphabet
7th Class
Mental Ability
Alpha-Numeric, Number, Ranking and Time Sequence, Logical, Alphabet
Question Bank
Alpha-Numeric Sequence Puzzle, Number, Ranking and Time Sequence Test, Logical Sequence of Words, Alphabet Test
question_answer
If 1 is subtracted from the last digit of each of the given numbers, then the sum of the digits of how many of them are prime numbers? (SOF IMO 2016) 972 526 487 359 251