Find the sum of the first 1000 positive integers.

(i) Find the sum of the first 1000 positive integers.
(ii) Find the sum of first 15 multiples of 8.

Solution:

A contract on construction job specifies a penalty for delay of completion beyond a certain date as follows: Rs 200 for the first day, Rs 250 for the second day, Rs 300 for the third day, etc., the penalty for each succeeding day being Rs 50 more than for the preceding day. How much money the contractor has to pay a penalty if he has delayed the work for 30 days?

Solution:

More Solutions:

• Find the values of a and below.
• Determine the matrices, find x.
• Find the matrix B if A [4 1 2 3] and A² = A + 2B
• Solve the matrix, compute (AB)C = (CB)A.
• Find the each of the following and state it they are equal (A + B)(A – B).
• If A = and A² = I, find x,y.