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8th Ch-12 ધાત અને ધાતાંક Quiz-5 (31.11.2020)

Total questions: 5

Worksheet time: 17mins

Name
Class
Date
1.

કિંમત શોધો. Mo 

 {(13)1(14)1}1\left\{\left(\frac{1}{3}\right)^{-1}-\left(\frac{1}{4}\right)^{-1}\right\}^{-1}  

a)

 11  

b)

 1-1  

c)

 ±1\pm1  

d)

 00  

2.

કિંમત શોધો.

 (58)7×(85)4\left(\frac{5}{8}\right)^{-7}\times\left(\frac{8}{5}\right)^{-4}  

a)

 512125\frac{512}{125}  

b)

 512125-\frac{512}{125}  

c)

 125512\frac{125}{512}  

d)

 125512-\frac{125}{512}  

3.

કિંમત શોધો.

 25×t453×10×t8\frac{25\times t^{-4}}{5^{-3}\times10\times t^{-8}}  

a)

 625t44\frac{625t^4}{4}  

b)

 625t43\frac{625t^4}{3}  

c)

 625t42\frac{625t^4}{2}  

d)

 625t41\frac{625t^4}{1}  

4.

કિંમત શોધો.

 35×105×12557×65 \frac{3^{-5}\times10^{-5}\times125}{5^{-7}\times6^{-5}}\   

a)

 555^5  

b)

 555^{-5}  

c)

 55-5^5  

d)

 55-5^{-5}  

5.

કિંમત શોધો. Mo

 34×24×5325×54×36\frac{3^{-4}\times2^{-4}\times5^{-3}}{2^{-5}\times5^{-4}\times3^{-6}}  

a)

 9090  

b)

 8080  

c)

 7070  

d)

 6060