The place value of R in English alphabet is = 18. So, R = (18 × 2) = 36. Similarly, RAT = [(Sum of place value of R, A and T) × 2] = [(18 + 1 + 20) × 2] = 39 × 2 = 78. Now, RATE = [(18 + 1 + 20 + 5) × 2] = [44 × 2] = 88.
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