1
GATE ECE 2018
MCQ (Single Correct Answer)
+1
-0.33
If the number 715 ■ 423 is divisible by 3 (■ denotes the missing digit in the thousandths place), then the smallest whole number in the place of ■ is _______.
A
2
B
0
C
6
D
5
2
GATE ECE 2018
MCQ (Single Correct Answer)
+1
-0.33
A 1.5 m tall person is standing at a distance of 3 m from a lamp post. The light from the lamp at the top of the post casts her shadow. The length of the shadow is twice her height. What is the height of the lamp post in meters?
A
1.5
B
3
C
4.5
D
6
3
GATE ECE 2018
MCQ (Single Correct Answer)
+1
-0.33
What is the value of $$1 + {1 \over 4} + {1 \over {16}} + {1 \over {64}} + {1 \over {256}} + ......$$?
A
$${7 \over 4}$$
B
$${3 \over 2}$$
C
$${4 \over 3}$$
D
2
4
GATE ECE 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A rule states that in order to drink beer one must be over 18 years old. In a bar, there are 4 people. P is 16 years old, Q is 25 years old, R is drinking milkshake and S is drinking beer. What must be checked to ensure that the rule is being followed?
A
Only P's drink
B
Only P's drink and S's age
C
Only S's age
D
Only P's drink, Q's drink and S's age
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