00281nam a2200121Ia 4500008004100000100001200041245002200053260003400075300000900109650001600118942000800134999001700142190216s9999||||xx |||||||||||||| ||und||  aGupta R 0aNumerical Ability  bRamesh Publishing Housec1985  a114p  aMathematics  cREF  c35798d35798