1

GATE EE 2018

MCQ (Single Correct Answer)

+2

-0.6

A designer uses marbles of four different colours for his designs. The cost of each marble
is the same, irrespective of the colour. The table below shows the percentage of marbles of
each colour used in the current design. The cost of each marble increased by 25%.
Therefore, the designer decided to reduce equal numbers of marbles of each colour to keep
the total cost unchanged. What is the percentage of blue marbles in the new design?

2

GATE EE 2018

MCQ (Single Correct Answer)

+2

-0.6

P, Q, R and S crossed a lake in a boat that can hold a maximum of two persons, with only
one set of oars. The following additional facts are available.

(i) The boat held two persons on each of the three forward trips across the lake and one person on each of the two return trips.

(ii) P is unable to row when someone else is in the boat.

(iii) Q is unable to row with anyone else except R.

(iv) Each person rowed for at least one trip.

(v) Only one person can row during a trip.

Who rowed twice?

(i) The boat held two persons on each of the three forward trips across the lake and one person on each of the two return trips.

(ii) P is unable to row when someone else is in the boat.

(iii) Q is unable to row with anyone else except R.

(iv) Each person rowed for at least one trip.

(v) Only one person can row during a trip.

Who rowed twice?

Questions Asked from Numerical Ability (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE EE Subjects

Electromagnetic Fields

Signals and Systems

Engineering Mathematics

General Aptitude

Power Electronics

Power System Analysis

Analog Electronics

Control Systems

Digital Electronics

Electrical Machines

Electric Circuits