Thus the difference of the first number and the sum of the digits of second number is 10 - 8 = 2.
Similarly, the sum of the digits of third number is 2 + 7 = 9.
Hence the sum of digits of fourth number should be 2 more than 9 i.e. 11
Hence, fourth number is 65.
As, 235 ? 253
The middle digit of first term becomes power to the next term.
26 = (2 x 15 - 4)
? = 15
Similarly, 32:112:(2/7)
Similarly, (7)2 + 3 = 52
Similarly, (120/300) = (2/5)
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