1
GATE EE 2019
+2
-0.67
Given two sets X = {1, 2, 3} and Y = {2, 3, 4}, we construct a set Z of all possible fractions where the numerators belong to set X and the denominators belong to set Y. The product of elements having minimum and maximum values in the set Z is ____________.
A
$${1 \over {12}}$$
B
$${1 \over 8}$$
C
$${1 \over 6}$$
D
$${3 \over 8}$$
2
GATE EE 2019
+2
-0.67
The ratio of the number of boys and girls who participated in an examination is 4 : 3. The total percentage of candidates who passed the examination is 80 and the percentage of a girls who passed is 90. The percentage of boys who passed is _________.
A
90.00
B
80.50
C
55.50
D
72.50
3
GATE EE 2019
+2
-0.67
How many integers are there between 100 and 1000 all of whose digits are even?
A
100
B
90
C
60
D
80
4
GATE EE 2018
+2
-0.6
An e-mail password must contain three characters. The password has to contain one numeral from 0 to 9, one upper case and one lower case character from the English alphabet. How many distinct passwords are possible?
A
6,760
B
13,520
C
40,560
D
1,05,456
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