Answer: C) 144 Explanation: Here the series follows, 194 194 - (1x1 - 1) = 194 194 - (2x2 - 1) = 191 191 - (3x3 - 1) = 183 183 - (4x4 - 1) = 168 168 - (5x5 - 1) = 144

Answer: C) George Boole Explanation:

Answer: B) Joseph A. Schumpeter Explanation: Entrepreneurship as a theory of business was propounded by Joseph. A. Schumpeter.   Schumpeter’s Innovation Theory of Profit : Definition:  The Innovation Theory of Profit was proposed by Joseph. A. Schumpeter, who believed that an entrepreneur can earn economic profits by introducing successful innovations.

Answer: D) Dotage Explanation:

Answer: D) E = 4 & Y = 2 Explanation: Let the the age of the elder boy = E   Let the the age of the younger boy = Y   Given that Y = cube root of EY   => Y3 = EY => E = Y2 .....(1)By the condition of number replacement the age of the father is YE   The Mother's age = EY/2   But she is 3 years less than father => EY/2 + 3 = YE2YE = EY + 6 ......(2)   Then now from the given options we can identify which satisfies the all the conditions.   Here Y =2 and E = 4 satisfies all the conditions.

Answer: A) a pair of scissors Explanation: Any of the basic mechanical devices for applying a force are called simple machines. There are 6 basic simple machines; the lever, the wheel and axle, the inclined plane, the wedge, the pulley, and the screw. Several of these simple machines are related to each other. But, each has a specific purpose in the world of doing work.

Answer: D) 1250 Explanation: Let initially 'X' ticket has been sold.So now in 2nd week 20% increases, so=> X x 120/100In 3rd week 16% increases, so=> X x (120/100) x (116/100)In 4th week 20% decrease, so=> X x (120/100) x (116/100) x (80/100) = 1392X = 1250.

Answer: C) Diagnosis of mental disorders Explanation: The DSM is the Diagnostic and Statistical Manual of Mental Disorders; it is currently in its fifth edition. The DSM is published by the APA, American Psychiatric Association. It is a crucial resource in the fields of psychology and psychiatry.