If 11% is lost on books sold at 10. 68 rs what was the cost price of the books, at what price should they be sold at to yield a
1 answer:
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Answer:
(D). 28
Step-by-step explanation:
We have been given that the smallest integer that can be divided by the product of a prime number and 7 while yielding a prime number.
We know that smallest prime is 2. The product of 2 and 7 is 14.
Let us divide our given numbers by 14.
(A) 7.
The quotient is not a integer or prime number.
(B). 14
We know that 1 is not a prime number.
(C) 24.
The quotient is not a integer or prime number.
(D). 28
Since 2 is a prime number, therefore, 28 is the smallest integer that can be divided by the product of a prime number and 7 and yield a prime number.