Answer :
Let the score of first test be x. Then, second test score = x + 10.
∴ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Hence, score of first test is 10 as marks are not negative.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
<span lang="EN-US
Maharashtra Board - Algebra PapersAttempt any two s
Maharashtra Board - Algebra PapersAttempt any four
Maharashtra Board - Algebra PapersThe sum of square
MHB - Mathematics Part-1<span lang="EN-US
Maharashtra Board - Algebra PapersMr. Dinesh owns a
MHB - Mathematics Part-1A tank fills comp
MHB - Mathematics Part-1The difference be
MHB - Mathematics Part-1Mukund possesses
MHB - Mathematics Part-1Ranjana wants to
MHB - Mathematics Part-1