1.

68. यदि 9 * 3 = 36; f1 * 7 = 81, तो 5 *13 का मान क्या होगा?(a) 81(b) 51(c) 65(d) 72

Answer»

9*3 = 9*3 + (9-3) = 36

11*7 = 11*7 + (11-7) = 81

Then, 5*13 = 5*13 + (5 - 13) = 65 - 8= 57

72.

Dont know the answer of this

57 is the answer......

51 is a answer of these question



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