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The pattern followed here is: The square of each digit of the first number is added together, and the result is multiplied by 2 to obtain the code. 345: 100 → 2 X (3² + 4² + 5²) = 2 X (9 + 16 + 25) = 2 X 50 = 100 284 : 168 → 2 X (2² + 8² + 4²) = 2 X (4 + 64 + 16) = 2 X 84 = 168 562 : 130 → 2 X (5² + 6² + 2²) = 2 X (25 + 36 + 4) = 2 X 65 = 130 693 : 252 → 2 X (6² + 9² + 3²) = 2 X (36 + 81 + 9) = 2 X 126 = 252
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In what time would a Cistern be filled by three pipes whose diameter are 2cm, 8/3cm and 4cm running together, where the largest pipe alone fill it in 18...
A tank has two inlet pipes, A and B, and one outlet pipe, C. Pipe A can fill the tank in 6 hours, and pipe B can fill the tank in 8 hours. Pipe C can em...
Pipe A and Pipe B together can fill the tank in 25 hours. The capacity of the pipe A is 20% of the capacity of the pipe B. How much time will pipe B alo...
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 10) hours. If the efficiency of pipe B is triple of pipe A and pipe A...
