Question : The ratio of the number of boys to the number of girls in a class is 2 : 5. If 10 boys leave the class and 20 new girls join the class, then the new ratio of boys and girls in the class becomes 4 : 25. What is the number of boys in the class now?

Option 1: 12

Option 2: 8

Option 3: 9

Option 4: 22

Question : In a class of 60 students, the ratio of girls to boys is 2 : 3. If 20 more girls join the class, then what is the new number of girls in the class?

Option 1: 45

Option 2: 44

Option 3: 50

Option 4: 56

Question : In a class, if 55% of the students are boys and the number of girls is 90, then find the number of boys.

Option 1: 135

Option 2: 120

Option 3: 198

Option 4: 110

Question : Directions: How many 8 are followed by an even number and preceded by an odd number?
1 8 4 3 8 1 4 8 3 2 8 7 8 4 8 5 6 8 7 8 4 1 8 6

Option 1: 3

Option 2: 4

Option 3: 9

Option 4: 5

Question : If the ratio of boys to girls in a class is 8 : 5, which of the following options could be the total number of students in that class?

Option 1: 81

Option 2: 78

Option 3: 57

Option 4: 66