Related Questions

The number of bacteria in a colony was growing exponentially . At 1 pm yesterday the number of bacteria was 1000 and at 3 pm yesterday it was 4000. How many bacteria were there in the colony at 6 pm yesterday ?
A 32,000
B 80,000
C 60,072
D 7,683
One of the boys ---- absent yesterday.
A was
B is
C were
D are
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full, 5 class were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
A 200
B 220
C 240
D 246
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 3 classes were half full. 5 classes were 3/4 full and 2 classes were 1/6 empty. A total of 74 students were absent. What is the total number of students in this school?
A 200
B 220
C 240
D 400
A school has 10 classes with the same number of students in each class. One day, the weather was bad and many students were absent. 5 classes were half full, 3 classes were 3/4 full and 2 classes were 1/8 empty. A total of 70 students were absent. What is the total number of students in this school?
A 200
B 220
C 250
D 400
One of the girls ___ absent yesterday.
A were
B are
C was
D be
In a school, the ratio of boys to girls is 3 to 7. if there are 150 boys and girls in the school, how many boys are there?
A 45
B 75
C 90
D 105
The ratio of boys and girls in a class 1 : 2 and the classroom has 24 students. How many boys would have to be admitted to make the ratio of boys to girls 1 : 1?
A 6
B 8
C 10
D 12
The ratio of boys and girls in a class is 1 : 2 and the classroom has 24 students. How many boys would have to be admitted to make ratio of boys to girls 1 : 1?
A 6
B 8
C 10
D 12
The ratio of boys and girls in a class is 1:2 and the class as 24 students . How many boys would have to be admitted to the class in order to make the ratio of boys to girls 1 : 1?
A 6
B 8
C 10
D 12

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