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Isha’s grandfather was 5 times older to her 6 years ago. He would be three times of her age 4 years from now. 8 years ago, what was the ratio of Isha’s age to that of her grandfather’s age?

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kjhukhujkhj A worker was arranging some particular number of cylindrical aluminium soda cans in a square box but the box became full and there were 9 cans remaining to be put in. Then, he started arranging all Cans in a rectangular box where he could arrange 6 cans more along the length than the breadth after putting all the cans in the rectangular box. He found out that there was still space left for another 6 cans. What is the number of cans the worker had if it is known that the number of cans were More than 10 and no can was put on top of another can?