## Company

• ### The height of an apple tree is given by the sum of two terms. The first term is directly proportional to the weight of the tree and the second term is directly proportional to the square of the weight of the tree. The height of the tree was 6 m and 8 m, when its weight was 40 kg and 50 kg respectively. Find the approximate weight of the tree when its height was 5 m.

last reply by Paritosh  •  8 years ago  •  asked by arun kumar

• ### Shefali and Parul have got a certain number of red and black marbles with them. The ratio of number of red marbles and black marbles with Shefali and Parul is 7 : 1 and 9 : 1 respectively. If in all they have 90 marbles, then how many red marbles could Parul have?

• ### The height of an apple tree is given by the sum of two terms. The first term is directly proportional to the weight of the tree and the second term is directly proportional to the square of the weight of the tree. The height of the tree was 6 m and 8 m, when its weight was 40 kg and 50 kg respectively. Find the approximate weight of the tree when its height was 5 m.

• ### Four black cows and three brown cows give as much milk in five days as three black cows and five brown cows give in four days. If a black cow gives 10 L of milk per day, then how much milk would be given by a brown cow per day under the same conditions.

last reply by abhishek  •  7 years ago  •  asked by Nandani

• ### Six numbers a, b, c, d, e, f are such that a × b = 1, b × c =1/2, c × d = 6, d × e = 2, e × f =1/2. What is the value of (a × d : b × e : c × f) ?

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