$a$ এর মান কত হলে $a\hat i - 2\hat j+\hat k$ এবং $2a\hat i - a\hat j - 4\hat k$ পরস্পর লম্ব হবে?

1.Choose the right option for the gap of “two-thirds of the work — finished.”

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

2.Choose the correct sentence.

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

3.Choose the correct active voice of “The results were reported by the research assistants.''

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

4.Choose the accurate translation of “তার সাথে আমার সুস্পর্ক নেই " _

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

5.Select the indirect form of : Teacher said to me “Why were you not reading?"

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

6.Select the direct form of “Mother told me that I might go with her."

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

7.Select the passive form of “It is not feasible to catch a rat”.

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

8.Select the negative interrogative form of “The man read a book”.

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

9.The plural form of 'Data ' is-.

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

10.Choose the correct preposition for the gaps in the sentence “ The boy is devoted — study but devoid — common sense?

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

11.পার্থোনোকার্পি এর কারণ কি?

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019

12.পেঁয়াজের বোটানিক্যাল নাম কী?

GST-Agriculture ( গুচ্ছ-কৃষি) · 2019