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Directions to Solve

In each question below is given a statement followed by two assumptions numbered I and II. You have to consider the statement and the following assumptions and decide which of the assumptions is implicit in the statement.

Give answer

  • (A) If only assumption I is implicit
  • (B) If only assumption II is implicit
  • (C) If either I or II is implicit
  • (D) If neither I nor II is implicit
  • (E) If both I and II are implicit.

Q1: Statement: The entire north India, including Delhi and the neighbouring states remained 'powerless' the whole day of 19th December as the northern grid supplying electricity to the seven states collapsed yet again. Assumptions:
  1. The northern grid had collapsed earlier.
  2. The grid system of providing electricity to a group of states is an ineffective type of power supply system.

A Only assumption I is implicit

B Only assumption II is implicit

C Either I or II is implicit

D Neither I nor II is implicit

E Both I and II are implicit

Q2:
Which of the following statements are correct about the this reference?
  1. this reference can be modified in the instance member function of a class.
  2. Static functions of a class never receive the this reference.
  3. Instance member functions of a class always receive a this reference.
  4. this reference continues to exist even after control returns from an instance member function.
  5. While calling an instance member function we are not required to pass the this reference explicitly.

A 1, 4

B 2, 3, 5

C 3, 4

D 2, 5

E None of these

  

Q3: The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

A 0.02 m

B 2 m

C 2.5 m

D 20 m.

  

Q4: A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

A 50%

B 40%

C 55%

D 30%.