Answer: A) L Explanation: The twentieth element in the above arrangement is 'E'.Then, the sixth element to the left of 'E' is 'L'.

Answer: B) 9 Explanation: LCM of 2, 3, 7 is 42. => (700 – 300)/42 = 9  22/42 => 9 Numbers.

Answer: B) 41325 Explanation: The given series follows a pattern of +19, x19, +17, x17, +15, x15,... Here the number which is to be replaced in ? is 41310+15=41325.

Answer: D) 11.5 kgs Explanation: Screws weight = 90x100 = 9000gmsbolts weight = 100 x 150 = 15000gmsweight = screws + bolts => 24000 gms =>24 kgGiven entire box weight = 35.5kgempty box = entire box weight - weight => 35.5kg - 24kg => 11.5kgso the empty box is 11.5kg.

Answer: C) C++ Explanation: C++ is not an Operating System.   An Operating System is a collection of system programs that manages all the other programs application programs in a computer as well as the allocation and use of hardware resources such as the CPU, Memory and the Hard Disk Drive. It acts as an interface between the hardware and the user level program. It controls and facilitates the overall operation of a computer.    Here UNIX : UNIX is a popular multi-user, multitasking operating system (OS) developed at Bell Labs.   Windows NT : Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.   DOS : DOS is Disk Operating System. The term DOS can refer to any operating system.   C++ : C++ is a programming language and computing platform.   Hence, C++ is not an Operating System.

Answer: C) Rs.200 Explanation: Let the article costs 'X' to ACost price of B = 1.2XCost price of C = 0.75(1.2X) = 0.9XCost price of D = 1.4(0.9X) = 1.26X = 252Amount paid by A for the article = Rs. 200.

An English word with five letters in which if you remove the last four letters, still pronounced the same is QUEUE.

Answer: A) productivity goals Explanation: In general, we know that Effective teamwork yields high productivity which is a good indications of positive productivity goals.