TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: the mean of 40 observations was 100 . it was found later that an observation 50 was wrongly taken as 75 the corrected new mean is
Options: a ) 125.8 , b ) 102.8 , c ) 99.375 , d ) 100.52 , e ) 122

SOLUTION: c

PROBLEM: Problem: 0.002 x 0.6 = ?
Options: a ) 0.0012 , b ) 0.001 , c ) 0.01 , d ) 0.1 , e ) none of these

SOLUTION: a

PROBLEM: Problem: find the smallest number which when divided by 13 and 15 leaves respective remainders of 2 and 4
Options: a ) 187 , b ) 197 , c ) 184 , d ) 219 , e ) 227

SOLUTION:
c