preethi father age was 2.5 times of preethi's age, the ratio of the present age of preity's mother to preity's grandmother age is 5:9.3 years hence preethi's mother was 43 and ratio of her grandfather grandmother and preethi is 13:12:3,what is preethi's father age after7 years
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Answer:
57 Years
Step-by-step explanation:
Preethi age = P Years
Father Age = 2.5 P
Mother : Grand Mother are 5M & 9.3M
5M = 43
9.3M = (43/5)* 9.3 = 79.98 = 80 Years
GF : GM : P = 13F , 12F & 3 F
12 F = 80 Years
3F = 20 years
Preethi age = 20 Years
Father Age = 2.5 * 20 = 50 Years
Father age after 7 Years = 50 + 7 = 57 Years
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