000 00374nam a2200181Ia 4500
100 _aKhurana/KJS
650 _aNumerical ability
250 _a2
942 _cBK
366 _f20
654 _anumerical ability
245 _aNumerical ability 18 days wonder
260 _bS.Chand & co
_c2010
082 _bKHU
300 _a422
546 _aENGLISH
999 _c25520
_d25520