Advertisements
Advertisements
Question
If a2 ends in 5, then a3 ends in 25.
Options
True
False
Advertisements
Solution
This statement is False.
Explanation:
∵ (35)2 = 1225 ends in 5 and (35)3, i.e. 42875 does not end in 25.
APPEARS IN
RELATED QUESTIONS
Write the cubes of all natural numbers between 1 and 10 and verify the following statements:
(i) Cubes of all odd natural numbers are odd.
(ii) Cubes of all even natural numbers are even.
Which of the following is perfect cube?
243
Find the cube root of the following natural number 134217728 .
Three numbers are in the ratio 1 : 2 : 3. The sum of their cubes is 98784. Find the numbers.
Making use of the cube root table, find the cube root
1100 .
Making use of the cube root table, find the cube root
7800
Find if the following number is a perfect cube?
1331
Find the cube-root of 729.
Find the cube-root of 3375 x 512
Find the cube-root of -512
