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The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?

The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A? Correct Answer 11

Related Questions

Given below are three quantities named A, B and C. Based on the given information, determine the relation among the three quantities. Total number of pupils in three classes of a school is 1288. The ratio of children in three classes X, Y, Z is 39 : 64 : 58. In class X number of boys are 26 less than number of girls. Number of boys in class Y is 67.83% more than the number of boys in class X. And, girls in class Z are 25.36% less than the number of girls in class Y. (In calculating number of boys and girls, the decimal value must be rounded off to nearest whole number). Quantity A: Number of boys in class Z. Quantity B: Number of girls in class X. Quantity C: Number of girls in class Y.
In class A the number of boys is more than the number of girls by 16% of the total strength of class A. In class B the number of girls is more than the number of boys by 12% of the total strength of class B. If the ratio of students in class A to class B is 1 : 2, then what will be the ratio of boys to girls if both the classes are combined together?
The following question is accompanied by two statements (I) and (II). You have to determine which statement(s) is/are sufficient/necessary to answer the questions. Find the number of boys in the college, if 60% of boys and 40% of girls participated in an event. (If number of boys are equal to the number of girls). I. The number of girls participated in the event is 120 less than the number of boys.  II. The number of girls in the college is 25% more than that of the boys participated in the event.
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During a medical check-up, the heights of 40 students in a class were recorded as shown in the following table. Height (in cm) Less than 175 Less than 170 Less than 165 Less than 160 Less than 155 Less than 150 Number of students 40 35 25 16 8 4   How many students have a height of 165 cm or more?
The data given in the table shows the number of boys and girls enrolled in three different streams in a school over 5 years. Years Arts Science Commerce Boys Girls Boys Girls Boys Girls 2012 48 36 40 35 35 45 2014 42 43 42 32 32 42 2016 45 42 38 30 36 38 2018 39 46 41 23 28 34 2020 36 43 39 30 39 41   By what percent is the total number of boys in Arts stream more than the total number of boys in Science stream in the years 2012 to 2020?
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 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?
The data given in the table shows the number of boys and girls enrolled in three different streams in a school over 5 years. Years Arts Science Commerce Boys Girls Boys Girls Boys Girls 2012 48 36 40 35 35 45 2014 42 43 42 32 32 42 2016 45 42 38 30 36 38 2018 39 46 41 23 28 34 2020 36 43 39 30 39 41 What is the ratio of the total number of boys in the year 2014 to the total number of girls in the year 2020 ?