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সম্পর্কিত প্রশ্ন সমূহ
If $1 + \sin \theta = x \cos \theta$, then $\tan \theta$ is—
A.
(x² + 1)/x
B.
(x² - 1)/x
C.
(x² + 1)/2x
D.
(x² - 1)/2x
A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?
A.
65 s
B.
89 s
C.
100 s
D.
130 s
What is the slope of the line perpendicular to the line $y = -5x + 9$?
A.
5
B.
-5
C.
Sun Jan 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
D.
[object Object]
If a pole 6 m high casts a shadow $2\sqrt{3}$ m long on the ground, then the elevation of the sun is—
A.
60°
B.
45°
C.
30°
D.
90°
If $a, b$ and $c$ are the lengths of the three sides of a triangle, then which of the following is true?
A.
a + b < c
B.
a - b < c
C.
a + b = c
D.
a + b ≥ c
A football team is to be consisted out of 14 boys. In how many ways the team can be chosen so that the owner of the ball is always in the team?
A.
135
B.
143
C.
169
D.
129
What is the probability that an integer selected at random from those between 10 and 100 inclusive is a multiple of 5 or 9?
A.
27/89
B.
20/91
C.
27/91
D.
23/89