All the girls of Mary's class are standing in a row. Mary is the 11th girl from both ends. How many girls are studying in Mary's class?
10 + Mary + 10 = 21 girls
There are 31 students in a class, number of girls is one more then number of guys.
We need to form a team of four students.
All four in the team cannot be from same gender and number of girls and guys in the team should not be equal.
How many ways can such a team be made?
Kajal is teaching a class of thirty pupils,
of which fourteen are girls.
She knows that there are twenty-two pupils who are right-handed.
What is the minimum number of girls
who are right handed in this class?
Every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.
How many students are in the class?
Ambreesh ranks sixteenth from the top and forty ninth from the bottom in a class. How many students are there in the class ?
In a class of 60 students, where the number of girls is twice that of boys, Kamal, a boy ranked seventeenth from the top. If there are 9 girls ahead of Kamal, how many of boys in rank after him?