1. ৩০

2. ২৫

3. ৪০

4. ৩৫

1. 12xy

2. 24xy

3. 2xy

4. 6xy

1. He said, ‘I will do the work‘

2. He said, “The work will be done by me.‘

3. He said, ‘I do the work

4. He said, ‘He did the work‘

1. ১৬৭

2. ১৬৯

3. ১৬৩

4. ১৬৫

1. need to be adding

2. need to be added

3. need added

4. need to add