"416584751329252912536828731624549"
How many such 5s are there in the above arrangement each of which is immediately preceded by an odd digit and also immediately followed by an odd digit?
Which of the following is sixth to the left of the eighteenth digit from the left end of the above arrangement?
If all the even digits are deleted from the above arrangement, which of the following will be eighth from the right end of the arrangement?
How many such 4s are there in the above arrangement, each of which is immediately followed by a perfect square? (1 is also a perfect square.)
"416584751329252912536828731624549 "
How many 2s are there in the above arrangement, each of which is immediately preceded by a digit which has a numerical value of less than two?
Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that makes the expression F > N and U > D definitely false?
F __ O __ U __ N __ D
