There are 3 Indians and 3 Chinese in a group of 6 people. How many subgroups of this group can we
choose so that every subgroup has at least one Indian?
A
52
B
56
C
48
D
44
2
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.67
A contour line joins locations having the same height above the mean sea level. The following is a contour
plot of a geographical region. Contour lines are shown at 25 m intervals in this plot.
The path from P to Q is best described by
A
Up-Down-Up-Down
B
Down-Up-Down-Up
C
Down-Up-Down
D
Up-Down-Up
3
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.67
Trucks (10 m long) and cars (5 m long) go on a single lane bridge. There must be a gap of at least 20 m
after each truck and a gap of at least 15 m after each car. Trucks and cars travel at a speed of 36 km/h. If
cars and trucks go alternately, what is the maximum number of vehicles that can use the bridge in one
hour?
A
1440
B
1200
C
720
D
600
4
GATE ECE 2017 Set 2
MCQ (Single Correct Answer)
+2
-0.67
A contour line joins locations having the same height above the mean sea level. The following is a contour
plot of a geographical region. Contour lines are shown at 25 m intervals in this plot.
Which of the following is the steepest path leaving from P?
