1
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
2
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
In the summer, water consumption is known to decrease overall by 25%. A water Board official states that in the summer household consumption decreases by 20%, while other consumption increases by 70%.

Which of the following statement is correct?

A
The ratio of household to other consumption is 8/17
B
The ratio of household to other consumption is 1/17
C
The ratio of household to other consumption is 17/8
D
There are errors in the official's statement
3
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
40% of deaths on city roads may be attributed to drunken driving. The number of degrees needed to represent this as a slice of a pie chart is
A
120
B
144
C
160
D
212
4
GATE ECE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.3
Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusions can be deduced from the preceding sentences?

(i) At least one bench is a table
(ii) At least one shelf is a bench
(iii) At least one chair is a table
(iv) All benches are chairs

A
Only (i)
B
Only (ii)
C
Only (ii) and (iii)
D
Only (iv)
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