How many music directors required to create (9−10) song?
How many hours are required by A and B to finish creating 110 documents if they are working together. given :in 6 hour to create 32 documents we need 5 hours to create 40 documents.
In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks.
8
1
3
7
6
5
4
2
9
(a) Find how many students obtained marks equal to or more than7.
(b) How many students obtained marks below 4?