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

A1
B0
CThu Jan 02 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
DInfinity
উত্তর : A.
1

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সম্পর্কিত প্রশ্ন সমূহ

১.

The ratio of two numbers is 3:4 and their sum is 630. The smaller one of the numbers is—

A
360
B
270
C
180
D
120
২.

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

A
2
B
3
C
Tue Mar 04 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
D
Thu Apr 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time)
৩.

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

A
90
B
10
C
64.1
D
31
৪.

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

A
7
B
9
C
11
D
13
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?

A
13
B
11
C
8
D
9
৭.

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
৮.

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]
৯.

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

A
2
B
3
C
4
D
7
১০.

In $1 - 3x \le 4$, then—

A
x ≤ -2
B
x ≥ -2
C
x ≤ -1
D
x ≥ -1