Answer: A) 189 Explanation: The given number series is 10, 21, 54, 109, 189 The series follows a pattern that 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186   Hence the wrong number in the given number series is 189.

Answer: D) All the above Explanation: All the above given statements are functions of Inventory.   Inventory or stock is the goods and materials that a business holds for the ultimate goal of resale. Inventory management is a discipline primarily about specifying the shape and placement of stocked goods. The primary function of inventory is to use marketing and production to increase profitability, to get the maximum amount for the business' investment. There are other functions of inventory, such as balancing supply and demand, improving efficiency, establishing a safety stock and geographical specialization.

Answer: D) need dependent Explanation: The flow of information through MIS - Management Information System is Need dependent. The backbone of any organization is Information. The information of MIS comes from both internal and external sources.

Remaining to Option (A) all of these are connected with angle.