" (i) category "1+3+5+7+..." How many posts of "1234321" Will be ? "

How many terms of 1+3+5+7+... amount to 1234321 ?

How many terms of the series 1 + 3 + 5 + 7 + ..... amount to 123454321?

There are 6 candidates for 3 posts. In how many ways can the posts be filled?

A=[{:(2,0,-1),(3,2,5),(-1,4,-3),(0,1,7):}],then (i) how many cloumns are in A ? (ii) how many rows are inA ? (iii) what is the order of A ? (iv) How many elements are in A?

A=[{:(2,0,-1),(3,2,5),(-1,4,-3),(0,1,7):}],then (i) how many cloumns are in A ? (ii) how many rows are inA ? (iii) what is the order of A ? (iv) How many elements are in A?

How many of the natural numbers can be formed from the digits 2, 3, 5, 7, 9 ? How many of them are odd?

How many of the natural numbers can be formed from the digits 2, 3, 5, 7, 9 ? How many of them are odd ?

There are 4 parcels and 5 post offices. In how many ways can 4 parcels be got registered?

There are 4 candidates for the post of a lecturer in Mathematics and one is to be selected by votes of 5 men. In how many ways can the votes be given ?