If the average (arithmetic mean) of x and y is 60 and the average...

Home / Mathematics Quizzes / Quantitative MCQs paper 2 / If the average (arithmetic mean) of x and y is 60 and the average...

World Mcqs

worldforts.com

If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of z - x?

A. 70

B. 40

C. 20

D. 10

Answer & Explanation

Related Questions on Quantitative MCQs paper 2

Muslim High School has 840 students, and the ratio of the number of students taking Spanish to the number not taking Spanish is 4:3. How many of the students take Spanish?

A. 280

B. 360

C. 480

D. 560

E. 630

View Answer

View Answerr

Of the 200 seniors at Millat High School, exactly 40 are in the band. 60 are in the orchestra, and 10 are in both. How many students are in neither the band nor the orchestra?

A. 130

B. 110

C. 100

D. 140

E. 160

View Answer

View Answerr

Consider the sequence 1, 2, 3, 1, 2, 3, 1, 2, 3,â€¦â€¦.. What is the sum of the first 100 terms?

A. 100

B. 180

C. 198

D. 199

E. 200

View Answer

View Answerr

If 2x - 1 = 9 then what is 10x - 5?

A. 35

B. 45

C. 55

D. 75

E. 95

View Answer

View Answerr

A googol is the number that is written as 1 followed by 100 zeros. If g represents a googol, how many digits are there in g2.

A. 102

B. 103

C. 199

D. 201

E. 202

View Answer

View Answerr

If the average (arithmetic mean) of x and y is 60 and the average...

If the average (arithmetic mean) of x and y is 60 and the average (arithmetic mean) of y and z is 80, what is the value of z - x?

Read More: MCQ Type Questions and Answers