Quantitative Aptitude - Arithmetic Ability Questions

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometry
taught?

The average runs conceded by a bowler in 5 matches is 45 and 15.75 in other 4 matches. What is the average runs conceded by the bowler in 9 matches?

 In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by aLogic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives

Some one rupee, 50 paisa and 25 paisa coins make up rupees 93.75 and their numbers are in the proportion of 3 : 4 : 5. Find the number of each type of coins?

If x2-2x+1=0,then the value of x4+1x4 is

If a - b = -1 and ab = 6, then what is the value of a3- b3?

If Sec θ = 13/12, then what is the value of Sin θ?

If 2x+4-2x+2=3, then the value of x?