MBA Exam Numerical Ability Number System

In an examination, there are 100 questions. A student is awarded 12 marks for each correct answer. He loses 3 marks for each wrong answer and loses 2 marks for each unattempted question.The net score of Hari in that test is 625. The number of ways in which Hari could have attemped the exam is ?

1) 2
2) 3
3) 4
4) 5

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MBA Other Question

in a temple there are some bells which tolls 18 times a day, simultaneously. but every bell tolls at a different interval of time, but not in a fraction of minute. the max no. of bells in the temple can be

1) 18
2) 6
3) 10
4) 24
A person, walking on the road from point O, walked some little distance upto point A ,then he returns back to the point O by the same way and turned exactly left and walked again a distance of as before towards point B. but after some time, he decided to go to the point A from B directly so that he can form a right angle triangle and he just walked only distance of 0.4714X where point P is situated. where X is the distance that he travelled before from O to A. then what could be the approximately angle formed by him from point P to O at O?

1) 25
2) 30
3) 35
4) 45