Instead of 10%, if the student spends 15% to study other subjects and – McqOptions

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1.	Instead of 10%, if the student spends 15% to study other subjects and the time is taken from the time scheduled to study mathematics and if he/she used to study 20 hours per day, then the difference of time for studying mathematics per day is :
A.	30 minutes
B.	45 minutes
C.	1 hour
D.	1 hour 30 minutes
Answer» D. 1 hour 30 minutes

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