Question 97
Solve the following:
Find the product of the cube of (-2) and the square of (+4).
∵ Cube of (−2)=(−2)3 and square of (+4)=(+4)2 ∴ The product =(−2)3×(4)2=(−8)×16=−128
Solve the following question:
Using prime factoristaion, find the cube roots of
a) 512 b) 2197
The age of A is five years more than that of B. 5 years ago, the ratio of their ages was 3:2. Find their present ages.
A lady went to a bank with Rs. 100000. She asked the cashier to give her Rs. 500 and Rs. 1000 currency notes in return. She got 175 currency notes in all. Find the number of each kind of currency notes.