i need correct explanation my best wishes ton Q 28. In a class test, among the passed students, Martha is 15" from the bottom. Sarah, who is B ranks higher than Mart28th from the top. 60% of the total students from the class appeared for the test. If the ratio of students who passexamination to those who failed is 1: 2, then find the number of students in the class.Ops: A O 150B.O 200C.240D. O 250Q 29. The ratio of the incomes of Lucy and Morgan is 5: 8. The ratio of the savings of Lucy and Morgan is 3: 5. Fthe expenditures of Lucy and Morgan, if Lucy saves 25% of her income.Ops: A. O2/3B. O45/71C. O7/11D. O 24/13Q 30. The average age of a family of 9 members is 24 years. Find the sum of the ages of all members.Ops: A. O175B. O 125C. O 2160905

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Description: i need correct explanation my best wishes ton Q 28. In a class test, among the passed students, Martha is 15" from the bottom. Sarah, who is B ranks higher than Mart28th from the top. 60% of the total students from the class appeared for the test. If

Find the total no of students in the class.

Engineering

Mechanical Engineering

Q 28. In a class test, among the passed students, 28th from the top. 60% of the total students from the class appeared for the test. If the ratio of students who pas examination to those who failed is 1: 2, then find the number of students in the class. Ops: A O 150 B. O 200 C O 240 D. O 250 Q 29. The ratio of the incomes of Lucy and Morgan is 5: 8. The ratio of the savings of Lucy and Morgan is 3:5. F the expenditures of Lucy and Morgan, if Lucy saves 25% of her income. Ops: A. O2/3 B. 045/71 C. 07/11 D. O 24/13 Q 30. The average age of a family of 9 members is 24 years. Find the sum of the ages of all members. Ops: A. O175 B. O 125 C. O 216 Care 0909

Q 28. In a class test, among the passed students, 28th from the top. 60% of the total students from the class appeared for the test. If the ratio of students who pas examination to those who failed is 1: 2, then find the number of students in the class. Ops: A O 150 B. O 200 C O 240 D. O 250 Q 29. The ratio of the incomes of Lucy and Morgan is 5: 8. The ratio of the savings of Lucy and Morgan is 3:5. F the expenditures of Lucy and Morgan, if Lucy saves 25% of her income. Ops: A. O2/3 B. 045/71 C. 07/11 D. O 24/13 Q 30. The average age of a family of 9 members is 24 years. Find the sum of the ages of all members. Ops: A. O175 B. O 125 C. O 216 Care 0909

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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