1. There was a “Wrongly Worded†question in the X Board CBSE Exam conducted on 28 Mar 2018. The following question in the Maths paper is wrongly worded (Q 28 of Set 3):-
“The sum of four consecutive numbers is an AP is 32 and the ratio of the product of the first end the last term to the product of two middle terms is 7:15. Find the numbersâ€.
2. The question has been picked up from existing Class X Mathematics book but the language has been twisted which lends itself to wrong interpretation by virtue of the wrong wording. The language of the question is “Consecutive Numbers†in AP which means that the numbers are consecutive numbers with d=1 (with reference to an Arithmetic Progression where a is the first term and d is the common difference). Consecutive numbers such as 7, 8, 9, 10 are also terms of an AP with d=1. This interpretation by students is because of the use of “Consecutive Numbers†in the question rather than ‘Consecutive Terms’. As such in this case the answer comes in fractions.
3. The ‘intended interpretation’ of the question seems to have been “Consecutive Terms†in AP rather than “Consecutive Numbersâ€. The question is then solvable with 2, 6, 10, 14 as answer.
4. The ‘Question’ thus has wrong interpretation and has been “wrongly wordedâ€. As such all students should be accordingly compensated.
Central Board of Secondary Education [CBSE] customer support has been notified about the posted complaint.
I want to say that in my school an extra subject Moral Science is taught which is not a part of cbse and students are being forced to bring the books. If anyone does not bring the book punishment is given and I am in class 11.
School - St. Peter School
City - Kichha