(c) Total number of arrangements, when any 3 boys are selected out of 5 = 5C3. Now, when groups contains both C and D, then their selection is fixed and...
(B)
In the first and second statements, the common digit is 5 and the common word is colour. So, 5 means colour. In the first and third statements, the common code...
(i) Goods purchased for consumption or investment are final goods purchased for completely using up in production during the year or for resale are intermediate goods.
(ii) Goods purchased for...
Let the common ratio between the number of boys and numbers of girls be x.
Number of boys = 7x
Number of girls = 5x
According to the given question,
Number of boys =...