Question

following are the marks of 37 students
marks - no. of students
4-5
6-7
8-6
10-8
12-6
14-5
calculate mean marks, using short cut method ​

Answer 1

Explanation:

Enter first number: 15

Enter second number:20

Press 1. For SUM

Press 2. For PRODUCT

Press 3. For DIFFERENCE

Press 4. For QUOTIENT

Enter your choice (1-4): 2

The Product=300