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Welcome to onlineinfocity,Everyone have been surfed for maths tricks,fast maths calculation,speed tricks in maths,placement tricks,cracking Exam,Engineering Solutions: quantitative aptitude tricks pdf,Short tricks forquantitative aptitude,SPEED TRICKS SPEED TRICKS,Time and Work Aptitude Questions with Answers,Formulas,Shortcut Methods For Cat Quantitative Aptitude Pdf Download Free,Aptitude Shortcuts, Speed Maths, Math Shortcuts, Math Tricks for download etc finally our team done solutions for all.Please do the practice and stay with us for more updated tricks.
1.Multiplication of 2(Two) digit numbers where the first(1st) digit of both the numbers are same and last digit of the two numbers sum to 10
Example1 : Calculate 56*54
Solution :Multiply 5 by 5+1,So 5*6=30
Now,Multiply together the last digits 6*4=24
So,56*54 =[5*(5+1)][6*4]=3024
Example2 : Calculate 78*72
Solution :[7*(7+1)][8*2]=5616
2.Square of a 2 digit number ending with 5(You can’t use this rule for other numbers)
Example1 : 35^2 = 3*(3+1)—25 = 1225
Example2 : 95^2 = 9*(9+1)—25 = 9025
Example3 : 105^2=10*(10+1)—25=11025
3.To calculate Remainder on dividing the number by 3
Example1: What would be the remainder of 1342568 dividing by 3?
Solution : The sum of digits is 29.Dividing 29 by 3 gives Remainder 2
Solution : The sum of digits is 29.Dividing 29 by 3 gives Remainder 2
Example2: What would be the remainder of 34259677858 dividing by 3?
Solution : The sum of the number is 64.Dividing 64 by 3 gives Remainder 1
Solution : The sum of the number is 64.Dividing 64 by 3 gives Remainder 1
Part 2 Aptitude maths Tricks Click here
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