MBA Exam Numerical Ability Number System

How many natural numbers less than 100 are such that their reciprocal can be expressed as a terminating decimal?

1) 12
2) 14
3) 15
4) None of these

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14
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MBA Other Question

In four digit number sum of first two digits is equal to that of last 2 digits. The sum of first and last digit is equal to 3 digit. Finally , the sum of the second and fourth digits is twice the sum of the other 2 digits. What is third digit of the number.

1) 5
2) 8
3) 1
4) 4
5) 3
Sanjog and Rahul took part in a two-day maths contest. At the end both had attempted questions worth 500 marks. Sanjog scored 160 out of 300 attempted on the first day and 140 out of 200 attempted on the second day, so his two-day success ratio was 3/5. Rahul's attempted figures were different from Sanjog's (but with the same two-day total). Rahul had a positive integer marks on each day. For each day Rahul's success ratio was less than Sanjog's. What is the largest possible two-day success ratio that Rahul could have achieved?

1) 81/125
2) 349/500
3) Cannot be determined
4) None of these