IBM Company Numerical Ability Percentage

last week a software engineer spent 8 hours working on software application for a payroll program 4 hours working on an inventory program and 75% of her work hours on other things how many hours did she work that week
a)16
b)24
c)21
d)20
d)48

Read Solution (Total 6)

IBM Other Question
During the warranty period,15% of all model X computers require a warranty repair. Among the model X computers requiring a warranty repair. 50% require only a main board replacement and 20% require only a battery replacement, while 10% require both main board and battery replacement. What % of all model X computers will need to have atleast the main board or battery replaced during the warranty period? server A is online 24 hours a day 7 days a week except when it is taken offline for routine maintenance it support can take server A offline for a maximum of 2 hours each day and for maximum of 11 hours in any 7 day week at the end of the third day in the current week it has already taken the server offline for 5 hours for what proportion of the hours remaining in the week it is permitted to take the server offline
a)1/32 b)1/24 c)1/16 d)1/8 e)1/4