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বাংলাদেশ ব্যাংক ২০১৮
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If a pole 6 m high casts a shadow $2\sqrt{3}$ m long on the ground, then the elevation of the sun is—

A60°

B45°

C30°

D90°

উত্তর : A.

60°

শেয়ার :

সম্পর্কিত প্রশ্ন সমূহ

১.

If $4^{2x+1} = 32$, then $x = ?$

CTue Mar 04 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

DThu Apr 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

২.

What will be the difference in taka between simple and compound interest at 10% on a sum of TK. 1000 after 4 years?

A90

B10

C64.1

D31

৩.

In a series of 6 consecutive odd numbers if 15 is the 6th number, what is the 4th number in the series?

C11

D13

৪.

If $x = y^a$, $y = z^b$ and $z = x^c$ then $abc$ is—

CThu Jan 02 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

DInfinity

৫.

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

৬.

The difference between two numbers is 5 and the difference between their squares is 65. What is the larger number?

A13

B11

৭.

A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?

A65 s

B89 s

C100 s

D130 s

৮.

What is the slope of the line perpendicular to the line $y = -5x + 9$?

B-5

CSun Jan 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

D[object Object]

৯.

If $y/x = 3/7$ and $x + 2y = 13$ then $y$ is—

১০.

In $1 - 3x \le 4$, then—

Ax ≤ -2

Bx ≥ -2

Cx ≤ -1

Dx ≥ -1