1
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
2
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)
3
GATE ECE 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
The number that least fits this set: (324, 441, 97 and 64) is ________.
A
324
B
441
C
97
D
64
4
GATE ECE 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
It takes 10 s and 15 s, respectively, for two trains traveling at different constant speeds to completely pass a telegraph post. The length of the first train is 120 m and that of the second train is 150 m. The magnitude of the difference in the speeds of the two trains (in m/s) is ____________.
A
2.0
B
10.0
C
12.0
D
22.0
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