6581.The average age of 3 friends is 23. Even if the age of the 4th friend is added, the average remains 23. What is the age of the 4th friend?A.23 yearsB.22 yearsC.33 yearsD.None of these
6584.Which of following is wrong? 22/7=3.14, 22/11=2, 22/7=3.2, None of theseA.22/7=3.14B.22/11=2C.22/7=3.2D.None of these
6588.Arrange the following numbers in ascending order: 34986, 34789, 34693, 33199A.33199, 34693, 34789, 34986B.34986, 34789, 34693, 33199C.34693, 33199, 34986, 34789D.34986, 33199, 34789, 34693