Determine the following sums using a suitable arrangement. Explain the steps in detail.

$495+205+114$

Q. Determine the following products by suitable arrangement:
$625\times 239\times 16$

Q. Determine the following products by suitable arrangement:
$4\times 528\times 25$

Q. Determine each of the following products by suitable rearrangements:

(i) 2 × 1497 × 50

(ii) 4 × 358 × 25

(iii) 495 × 625 × 16

(iv) 625 × 20 × 8 × 50

Q. Explain in detail the steps involved in planning process.