1
GATE CSE 2017 Set 1
MCQ (Single Correct Answer)
+1
-0.33
The probability that a $k$-digit number does NOT contain the digits 0, 5, or 9 is :
A
$0.3^k$
B
$0.6^k$
C
$0.7^k$
D
$0.9^k$
2
GATE CSE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a quadratic function, the value of the product of the roots $$\left( {\alpha ,\beta } \right)$$ is $$4.$$ Find the value of $$${{{\alpha ^n} + {\beta ^n}} \over {{\alpha ^{ - n}} + {\beta ^{ - n}}}}$$$
A
$${n^4}$$
B
$${4^n}$$
C
$${2^{2n - 1}}$$
D
$${4^{n - 1}}$$
3
GATE CSE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In a $$2 \times 4$$ rectangle grid shown below, each cell is a rectangle. How many rectangles can be observed in the grid? GATE CSE 2016 Set 2 General Aptitude - Numerical Ability Question 56 English
A
$$21$$
B
$$27$$
C
$$30$$
D
$$36$$
4
GATE CSE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
GATE CSE 2016 Set 2 General Aptitude - Numerical Ability Question 55 English

Choose the correct expression for $$f(x)$$ given in the graph.

A
$$f\left( x \right) = 1 - \left| {x - 1} \right|$$
B
$$f\left( x \right) = 1 + \left| {x - 1} \right|$$
C
$$f\left( x \right) = 2 - \left| {x - 1} \right|$$
D
$$f\left( x \right) = 2 + \left| {x - 1} \right|$$
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