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1
GATE EE 2021
MCQ (Single Correct Answer)
+1
-0.33

Which one of the following numbers is exactly divisible by $\left(11^{13}+1\right) ?$

A

$11^{26}+1$

B

$11^{33}+1$

C

$11^{39}-1$

D

$11^{52}-1$

2
GATE EE 2019
MCQ (Single Correct Answer)
+1
-0.33
It takes two hours for a person X to mow the lawn. Y can mow the same lawn in four hours. How long (in minutes) will it take X and Y, if they work together to mow the lawn?
A
120
B
90
C
60
D
80
3
GATE EE 2019
MCQ (Single Correct Answer)
+1
-0.33
The missing number in the given sequence 343, 1331, _______, 4913 is
A
3375
B
2744
C
2197
D
4096
4
GATE EE 2018
MCQ (Single Correct Answer)
+1
-0.3
For what values of k given below is $${{{{\left( {k + 2} \right)}^2}} \over {k - 3}}$$ an integer?
A
4, 8, 18
B
4, 10, 16
C
4, 8, 28
D
8, 26, 28
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