Best book for competitive exams. Review on Quickest Mathematics: Quantitative Aptitude & Numerical Ability

I am sharing my experience on “Quickest Mathematics(Quantitative Aptitude & numerical ability) by Kiran Prakashan.

Which is a best book for competitive aspirants.  It is useful book for those who are  preparing for competitive examinations like Railways, Insurance, UPSC CPF, NDA, CDS, Air Force, IBPS RRBs Office Assistant and Officers, Bank PO, Bank Clerk, SSC(10+2) Level, MBA, BBA, CLAT, B.Ed., Teacher's Exam, PSC, CSAT, MBA, BBA, MCA and many more. The entire book covers chapters like Profit and Loss, Simple Interest, Compound Interest, Time and Work, Work and wages,

Time and Distance, Circle, Height and Distance, Probability, Data Sufficiency, Data Interpretation, Data Analysis, Area and Perimeter, Volume and Surface Areas(3-D figures),  Alligation or Mixture, Percentage, Trains, Races and Games etc with proper explanations. It’s short cut tips and tricks are very helpful to solve problems in a  short time. Each exercise having solved problems to clear your concepts and it's practice problems  help you to Check your problem solving skills. It contains questions from previous year examinations that can help to reach at competitive level of exams. Overall this is one of the best book for practice that can help you to crack  competitive exams and I like it.

Thanks.