MBA Exam

there are 50 questions in a question paper. there is 1 marks for a correct answer, -(1/2) for a wrong amswer and -(1/4) for an unattempted answer . In how many ways can a student score 37 marks if he has more correct answers than wrong answers ?

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

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MBA Other Question

in a 4 digit no,the sum of unit digit and tens digit is equal to sum of digits at thousands & hundreds place. The sum of the digits in the tens and hundrrds placeis twice the sum of othertwo digits. If the sum of all digits is more than 20,then the units place can be ?pls also tell the method.

1) 6
2) 7
3) 8
4) 5
If a 2– a 1= a 3– a 2= a 4– a 3=….. = a 100– a 99= k and k !=0

1) 99
2) 100
3) 1
4) depends on k