13th Teacher Registration Examination MCQs
Showing 3 questions (Total: 153)
13th Teacher Registration Examination #151
(32)x=1 হলে এর মান নিচের কোনটি?
ক: 2/3
খ: 1
গ: 3/2
Correct Answer:
Correct Answer:
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13th Teacher Registration Examination #152
82x+3=23x+6 হলে x এর মান-
A: -3
B: -1
C: 4
Correct Answer:
Correct Answer:
Explanation:
82x+3=23x+6 হলে x এর মান- Correct Answer 82x + 3 = 23x + 6⇒(23)2x + 3 = 23x + 6⇒26x + 9 = 23x + 6⇒6x + 9 = 3x + 6⇒6x - 3x = 6 - 9⇒3x = - 3.'. x = - 1
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13th Teacher Registration Examination #153
a:b=4:5 এবং b:c=6:7 হলে, a:b:c=
A: 20:35:42
B: 24:30:35
C: 35:30:24
D: 42:35:20
Correct Answer:
B: 24:30:35
Explanation:
a:b=4:5 এবং b:c=6:7 হলে, a:b:c= Correct Answer 24:30:35 a:b = 4:5 = (4×6) : (5×6) = 24 : 30 b:C = 6:7 = (6×5) : (7×5) = 30 : 35.'. a:b:c = 24 : 30 : 35