Solve the following subquestion:
Find the value of `|-7| times |-5|`

Find the value: |7| times |-4|

Find the value of |-7| xx|3|

Solve the following subquestion Find the mean of the first 5 natural numbers.

Solve the following subquestion: If a/b = 5/2 , find the value of (20b +7b)/(20b -7a)

Choose correct alternative for each of the following questions Find the value of |(5,3),(-7,-4)|

Find the value: |7|xx|-4|

Choose the correct alternative answer for the following question What is the value of |5 times 3 -(7 times 2) times 4| ?

Solve the following subquestion Find the geometric mean of 16 and 36.

Find the value of : 7^5 div 7^3

Find the value of : 4^7 div 4^5