Subject :IMO Class : Class 8
Which of the following options is INCORRECT?
A Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. The numbers will be 5, 10, 15.
B The digit in the units place for the cube of a four digit number of the form xyz8 is 2.
C The smallest number by which 3600 be divided to make it a perfect cube is 450.
D None of these
Ans 1:
Class : Class 9
Ans 2:
Class : Class 9
Ans 3:
Class : Class 8