1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The value of $$\int\limits_0^5 {\max \{ {x^2},6x - 8\} \,dx} $$ is
A
72
B
125
C
43
D
69
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
A bulb is placed at the centre of a circular track of radius 10 m. A vertical wall is erected touching the track at a point P. A man is running along the track with a speed of 10 m/sec. Starting from P the speed with which his shadow is running along the wall when he is at an angular distance of 60$$^\circ$$ from P is
A
30 m/sec
B
40 m/sec
C
60 m/sec
D
80 m/sec
3
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Two particles A and B move from rest along a straight line with constant accelerations f and f' respectively. If A takes m sec. more than that of B and describes n units more than that of B in acquiring the same velocity, then
A
$$(f + f'){m^2} = ff'n$$
B
$$(f - ff'){m^2} = ff'n$$
C
$$(f' - f)n = {1 \over 2}ff'{m^2}$$
D
$${1 \over 2}(f + f')m = ff'{n^2}$$
4
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
let $$\alpha$$, $$\beta$$, $$\gamma$$ be three non-zero vectors which are pairwise non-collinear. if $$\alpha$$ + 3$$\beta$$ is collinear with $$\gamma$$ and $$\beta$$ + 2$$\gamma$$ is collinear with $$\alpha$$ then $$\alpha$$ + 3$$\beta$$ + 6$$\gamma$$ is
A
$$\gamma$$
B
0
C
$$\gamma$$ + $$\gamma$$
D
$$\alpha$$
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12