Posts

Showing posts with the label IASsolved paper

UPSC PRELIMS EXAMINATION 2021, CSAT PAPER -2 MATHS MENTAL ABILITY SOLVED QUESTIONS By Kumar B Bagival.

UPSC PRELIMS EXAMINATION CSAT PAPER -2  MATHS MENTAL ABILITY SOLVED QUESTIONS  Seven books P,Q,R,S,T,U,and V, are placed side by side. R,Q and T have blue covers and other books have red covers. Only S and U are new books and the rest are old. P,R,and S are law reports; the rest are gazetteers. Books of old gazetteers with blue covers are Q and R Q and U Q and T T and U Solution:  P - Red , old, law report. Q - Old, blue, gazetteers R - Old, blue, law report S - New, red , law report T - Old, blue, gazetteers U - New, red, gazetteers V - Old, red , gazetteers Therefore Q and T old gazetteers having blue cover. So answer is  (C) Q and T 2.  Replace the incorrect term by  correct term in the given sequence 3,2,7,4,13,10,21,18,31,28,43,40 Where odd terms and even terms follow the same pattern. 0 1 3 6 Solution :  Odd terms are 3, 7, 13, 21, 31, 43 So gap between each pair is like       43-31= 12      ...