1
GATE CSE 2023
MCQ (Single Correct Answer)
+2
-0.67

Consider two functions of time (t),

$$f(t)=0.01\,t^2$$

$$g(t)=4\,t$$

where $$0 < t < \infty$$.

Now consider the following two statements :

(i) For some $$t > 0,g(t) > f(t)$$.

(ii) There exists a $$T$$, such that $$f(t) > g(t)$$ for all $$t > T$$.

Which one of the following options is TRUE?

A
only (i) is correct
B
only (ii) is correct
C
both (i) and (ii) are correct
D
neither (i) nor (ii) is correct
2
GATE CSE 2023
MCQ (Single Correct Answer)
+2
-0.67

$$f(x)$$ and $$g(y)$$ are functions of x and y, respectively, and $$f(x)=g(y)$$ for all real values of x and y. Which one of the following options is necessarily TRUE for al x and y?

A
$$f(x)=0$$ and $$g(y)=0$$
B
$$f(x)=g(y)=$$ constant
C
$$f(x)\ne$$ constant and $$g(y)\ne$$ constant
D
$$f(x)+g(y)=f(x)-g(y)$$
3
GATE CSE 2022
MCQ (Single Correct Answer)
+2
-0.67

A box contains five balls of same size and shape. Three of them are green coloured balls and two of them are orange coloured balls. Balls are drawn from the box one at a time. If a green ball is drawn, it is not replaced. If an orange ball is drawn, it is replaced with another orange ball.

First ball is drawn. What is the probability of getting an orange ball in the next draw?

A
$${1 \over 2}$$
B
$${2 \over 25}$$
C
$${19 \over 50}$$
D
$${23 \over 50}$$
4
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.67
The number of student in three classes is in the ratio 3 : 13 : 6. If 18 students are added to each class, the ratio changes to 15 : 35 : 21.

The total number of students in all the three classes in the beginning was :
A
88
B
110
C
66
D
22
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