In a set of 150 students, 90 study English, 70 study History, and 30 study both.
Practice Questions
Q1
In a set of 150 students, 90 study English, 70 study History, and 30 study both. How many students study only History?
40
30
50
60
Questions & Step-by-Step Solutions
In a set of 150 students, 90 study English, 70 study History, and 30 study both. How many students study only History?
Step 1: Identify the total number of students studying History, which is 70.
Step 2: Identify the number of students studying both English and History, which is 30.
Step 3: To find the number of students studying only History, subtract the number of students studying both from the total number studying History: 70 - 30.
Step 4: Calculate the result: 70 - 30 = 40.
Step 5: Conclude that 40 students study only History.
