11. A shopkeeper sold a pen at a loss of 10%. If he had sold it at Rs. 20 more, he would have gained 10%.
Find the cost price of the pen.
Ans: Rs. 100​

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step-by-step explanation:

answer: 5

step-by-step explanation:

since, the range is the difference between the lowest and highest values of the given sample space.

and, here the sample space = { 3, 1, 0, 4, 1, 4, 2, 3, 0, 5, 0, 1, 1, 2, 0, 4, 1,4, 4 ,2 ,3 ,2 ,0 ,1 ,4 }

here, the highest value of the given sample = 5

and, the lowest value = 0

therefore, the range of the sample space = 5 - 0 = 5

6 equilateral triangles

a ≈ 172.05

step-by-step explanation:

the pictures.