wbjee 2009 Question Paper

WBJEE Mathematics Question Paper 2009 (Beng)
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administrator Thu, 02/20/2014 - 09:56

WB-JEE - 2009-Mathematics

1.  যদি A (2, 4) বিন্দুটির x অক্ষের উপর প্রতিফলিত C এবং B বিন্দুর y অক্ষের উপর প্রতিফলিত বিন্দু C হয়, তবে |AB| -এর মান হবে :

(A) 20       (B) 2√5      (C) 4√5      (D) 4

Ans : (C)

 

WBJEE Mathematics Question Paper 2009 (Eng)
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administrator Wed, 02/19/2014 - 10:27

WB-JEE - 2009-Mathematics

1.   If C is the reflecton of A (2, 4) in x-axis and B is the reflection of C in y-axis, then |AB| is

(A) 20       (B) 2√5      (C) 4√5      (D) 4

Ans : (C)

 

WBJEE Biology Question Paper 2009 (Ben)
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administrator Thu, 12/26/2013 - 15:51

WBJEE - 2009 - Biology

1.  ফিস ফিস করে কথা বলা শব্দের প্রাবল্য সীমা :

(A) 10 – 15 dB       (B) 20 – 40 dB       (C) 45 – 50 dB        (D) 50 – 55 dB

 

2.  বন্যপ্রাণী রক্ষণ আইন বলবৎ হয় :

WBJEE 2009 Physics and Chemistry Question Paper (Eng)
administrator Tue, 12/17/2013 - 13:36
1. One Kg of copper is drawn into a wire of 1mm diameter and a wire of 2 mm diameter. The resistance of the twowires will be in the ratio (A) 2 : 1 (B) 1 : 2 (C) 16 : 1 (D) 4 : 1, 2. An electrical cable having a resistance of 0.2 Ω delivers 10kw at 200V D.C. to a factory. What is the efficiency of transmission ?..
WBJEE Biology Question Paper 2009(Eng)
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administrator Tue, 12/10/2013 - 17:35

WBJEE - 2009 - Biology

1.  The length of DNA having 23 base pair is

(A) 78 Å         (B) 78.4 Å       (C) 74.8 Å        (D) 78.2 Å

 

2.   Which Ig is produced in primary immune response ?

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