Find number of seven-digit number in the form of `a b c d efg(g,f,e ,` etc. Are digits at units, tens hundreds place etc.) where `a < b < c < d > e > f > g`.

Find number of seven-digit number in the form of a b c d efg(g,f,e , tc. Are digits at units, tens hundreds place etc.) where a >e>>f>>g dot

In two digit numbers, how many times does the digit 5 occur in (i)the ten's place (ii)the units place?

The sum of digits of a two digit number is 11. If the digit of ten's place is increased by 5 and the digit at unit's place is decreased by 5 the digit of the number are found to be reversed. Find the origional number.

Find the number of permutations of letters a ,b ,c ,d ,e ,f,g taken all together if neither beg nor cad pattern appear.

In a four digit number, the digit in thousand’s place in 4 and the digit in the one’s place is twice that in the thousand’s place. The number has no hundreds. The ten’s place digit is the difference between the digit in the thousand’s place and the hundred’s place. Find the number.

Find the number of permutations of letters a ,n ,c ,d ,e ,f,g taken all together if neither beg nor cad pattern appear.

Find the number of permutations of letters a ,n ,c ,d ,e ,f,g taken all together if neither b egnorc a d pattern appear.

Consider number N = 8 7 a 2 7 9 3 1 b, where b is a digit at unit's place and a is a digit at ten lakh's place. The greatest value of b for which N is divisible by 8 is (A9 prime (B) composite (C) even (D) odd

the digit at the units place of the number (32)^32= (A) 0 (B) 2 (C) 4 (D) 6

The number A is a two - digit positive integer, the number B is the two - digit positve integer formed by reversing the digits of A. If Q=10B-A , what is the value of Q? (1) The tens digit of A is 7. (2) The tens digit of B is 6.