1
GATE ME 2018 Set 1
MCQ (Single Correct Answer)
+1
-0.33
A rectangle becomes a square when its length and breadth are reduced by 10 m and 5 m, respectively. During this process, the rectangle loses 650 m2 of area. What is the area of the original rectangle in square meters?
A
1125
B
4500
C
2924
D
2250
2
GATE ME 2018 Set 1
MCQ (Single Correct Answer)
+1
-0.33
Seven machines take 7 minutes to make 7 identical toys. At the same rate, how many minutes would it take for 100 machines to make 100 toys?
A
1
B
7
C
100
D
700
3
GATE ME 2018 Set 1
MCQ (Single Correct Answer)
+1
-0.33
A number consists of two digits. The sum of the digits is 9. If 45 is subtracted from the number, its digits are interchanged. What is the number?
A
63
B
72
C
81
D
90
4
GATE ME 2018 Set 1
MCQ (Single Correct Answer)
+2
-0.67
Given that a and b are integers and a + a2 b3 is odd, which one of the following statements is correct?
A
a and b are both odd
B
a and b are both even
C
a is even and b is odd
D
a is odd and b is even
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