Rajon's average on four tests is 80. What does he need on his fifth test to raise his average to 84?.

1.Sound cannot travel through ¾.

2.Sound waves are ¾ waves.

3.Criminal: Offence :: Judge:?

4.CNG stands for ¾.

5.If Dhaka is Jahangirnagar then Bogura is ¾.

6.A school always has ¾.

7.Track out the odd in the following:

8.It is impossible for a box not to have a ¾.

9.It is impossible to judge a man's character without his -

10.In a rainbow, one would never find____.

11.In a queue of girls, Nishi is the 8th from the front and the 16th from behind. What is the total number of the girls?

12.If the day after tomorrow is Wednesday, which was the day before yesterday?