CBSE Class 10 Answered
The owner of a local jewellery store hired 3 watchmen to guard his diamonds, but a thief still got in and stole some diamonds. On the way out,the theif met each watchman, one at a time. To each he gave 1/2 of the diamonds had then, and 2 more besides. He escaped with one diamond. How many did he steal originally?
Asked by rushabhjain.avv | 07 Feb, 2019, 21:48: PM
Let the thief originally steal x diamond.
According to the condition,
No of dimonds(1st wathchman) = ![begin mathsize 16px style straight x over 2 end style](https://images.topperlearning.com/topper/tinymce/cache/dc5994c50cbd76cf09c397c9ac40263e.png)
![begin mathsize 16px style straight x over 2 end style](https://images.topperlearning.com/topper/tinymce/cache/dc5994c50cbd76cf09c397c9ac40263e.png)
No of dimonds(2nd wathchman) = ![begin mathsize 16px style fraction numerator begin display style straight x over 2 end style over denominator 2 end fraction equals straight x over 4 end style](https://images.topperlearning.com/topper/tinymce/cache/c60f1b7323634242adcbaf81f27cb039.png)
![begin mathsize 16px style fraction numerator begin display style straight x over 2 end style over denominator 2 end fraction equals straight x over 4 end style](https://images.topperlearning.com/topper/tinymce/cache/c60f1b7323634242adcbaf81f27cb039.png)
No of dimonds(3rd wathchman) = ![begin mathsize 16px style fraction numerator begin display style straight x over 4 end style over denominator 2 end fraction equals straight x over 8 end style](https://images.topperlearning.com/topper/tinymce/cache/681186711cd19a7ecf962e25536d58c8.png)
![begin mathsize 16px style fraction numerator begin display style straight x over 4 end style over denominator 2 end fraction equals straight x over 8 end style](https://images.topperlearning.com/topper/tinymce/cache/681186711cd19a7ecf962e25536d58c8.png)
He escaped with one diamond.
![begin mathsize 16px style straight x over 8 equals space 1
rightwards double arrow straight x space equals space 8 end style](https://images.topperlearning.com/topper/tinymce/cache/a24b1f94de57c67a07c6f919df56737f.png)
Therefore the thief originally steal 8 diamond.
Answered by Yasmeen Khan | 08 Feb, 2019, 10:54: AM
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