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In natural selection variations are determined by

The bookstore has a better selection of postcards than the newsstand does.The selection of postcards at the drugstore is better than at the bookstore.The drugstore has a better selection of postcards

Let A be a natural number consisting only 1. B is another natural number which is equal to quotient when A is divided by 13. C is yet another natural number equal to the quotient when B is divided by

If we write down all the natural numbers from 259 to 492 side by side get a very large natural number 259260261....491492. How many 8\'s will be used to write this large natural number

If we write down all the natural numbers from 259 to 492 side by side get a very large natural number 259260261....491492. How many 8's will be used to write this large natural number

Salinity of three different fluid inclusions in H2O-NaCl system is to be determined by “heating– freezing” experiments. The phase proportions of inclusions at room temperature are shown below:Th

A man and his wife appear for an interview for two posts. The probability of the mans selection is 1/5and that of his wife selection is 1/7. The probability that at least one of them is selected, is