ratio of marks of Asha and Nisha is 3: 5 while that of Nisha and usha
is 4: 5. Therefore the ratio of marks of Asha and Usha is
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average age = 25 average age = asha + usha +nisha /3 = 25 asha + usha + nisha = 25×3 = 125let the age of asha = xx + 4x = 1255x = 125 x= 125/5x =25 Age ... More
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