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বাংলাদেশ ব্যাংক ২০১৮
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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]

উত্তর : C.

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

শেয়ার :

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

২.

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

65 s

89 s

100 s

130 s

৩.

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

৪.

In $1 - 3x \le 4$, then—

x ≤ -2

x ≥ -2

x ≤ -1

x ≥ -1

৫.

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

60°

45°

30°

90°

৬.

If $a, b$ and $c$ are the lengths of the three sides of a triangle, then which of the following is true?

a + b < c

a - b < c

a + b = c

a + b ≥ c

৭.

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?

135

143

169

129

৮.

What is the probability that an integer selected at random from those between 10 and 100 inclusive is a multiple of 5 or 9?

27/89

20/91

27/91

23/89

৯.

The next number of the sequence is— 4, 3, 9, 3, 19, 3, …

১০.