Find the sum of odd integers from 1 to 2001.
(A) 100200
(B) 1002001
(C)1000201
(D) 100002

Find the sum of odd integers from 1 to 101

Find the sum of integers from 1 to 100 that are divisible by 2 or 5.

Find the Sum of 5th term of A.P if a=1 , d=2

Find the Sum of 4th term of A.P if a=1 , d=2

Find the sum of sum_(r=1)^n(r^n C_r)/(^n C_(r-1) .

Find the number of integers between 1 and 100000 having the sum of the digits 18.

Find two consecutive odd positive integers, sum of whose squares is 290.

Show that the sum of n consecutive odd integers beginning with 1 equals n^2 ?

Find the adjoint of the following matrices: {:[(a,b),(c,d)]

Let n be 4-digit integer in which all the digits are different. If x is the number of odd integers and y is the number of even integers, then a. x b. x>y c. x+y = 4500 d. |x-y| = 56