Approach : Using binomial expansions . If you have any doubts feel free to write back 7^2008 + 9^2008 mod 64 ( 8 -1) ^2008 + (8 +1)^9 ^2008...
Hello Nishant . Do you have any idea about binomial expansions ?
Hello Nishant! 3! × 5! × 7! 3! × 5! = 3 × 2 × 5 × 4 × 3 × 2 = 10 × 9 × 8 Hence n ! = 10 × 9 × 8 × 7! = 10!
Hello Kinshuk ! PFA the solution :
Alternate Approach :
The solution of Question Number 27.
Hello Apoorva! Let free luggage be f and excess luggage charge p/kg Raja has x kg and Praja has (60 - x) kg ( x - f) p = 1200 ( 60 - x - f ) p = ...
The alternate approach for the question The sides of a right triangle are 3 4 5 A point is taken on the hypotenuse at a distance of 2 cm from the ve...
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Hello Hemant! Ratio of sides : 1/12 : 1/20 : 1/15 => 5x : 3x : 4x Area => 1/2 • 3x•4x = 1/2 • 12 • 5x x = 5 Perimeter => 5x + 4x + 3x = 5 × ...
Let the two digit number be N = 10X+Y , (10X + Y)/(X+Y) should be maximum , i.e [9X + (X + Y)]/(X+Y) should be maximum i.e. 9X/(X+Y) should be maximu...