Find the average of first 10 multiples of 7
=7(1+2+3+...+10)/10 =7(10(10+1))/10×2 =7(110)/10×2 =38.5
=7(1+2+3+...+10)/10
=7(10(10+1))/10×2
=7(110)/10×2
=38.5
1297 MCQ for effective preparation of the test of Average of Word Problems section.
Read the MCQ statement: Find the average of first 10 multiples of 7 , keenly and apply the method you have learn through the video lessons for Average to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 42-12809.