A person whose bowling average is 12.4 takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets taken by him before his last match is?
85
72
64
78
Number System
LCM & HCF
Ratio & Proportion
Averages
Mixture & Alligation
Percentage
Profit and Loss
Interest
Partnership
Speed, Distance and Time
Time & Work
Problem on Ages
Data Interpretation
Logarithms
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Crash Course
Set Theory
Sequence and Series
Square Roots and Cube Roots
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