Answer:
D, 
Step-by-step explanation:
Separate -1, 2, and 100 from each other inside the radical. You can take out -1 as <em>i</em>, and 100 as 10. You now have 10<em>i</em> on the outside of the radical and 2 on the inside. Hope this helps.
Answer: Rs. 1,650
Step-by-step explanation:
First find the original price of the watch.
If the watch is sold at Rs. 1,275, there is a 15% loss.
Assume the watch is x.
(1 - 15%) * x = 1,275
0.85x = 1,275
x = 1,275 / 0.85
x = Rs. 1,500
Now add a 10% markup on the original:
= (1 + 10%) * 1,500
= 1.1 * 1,500
= Rs. 1,650
Answer:
The IQR of the given data is 6. Therefore the correct option is B.
Step-by-step explanation:
The formula for interquartile range is

In a box plot the left end of line represents the minimum value of data set and right end of line represents the maximum value of data set.
The left end of box represents the first quartile and right end of the box represents the third quartile. The line between the box represent the median.
From the given box plot it is clear that,





The interquartile range of the data is


The IQR of the given data is 6. Therefore the correct option is B.