Subject :IMO Class : Class 4
think of a number multiply by 2.subtract 10.multiply 5.the result is 100 .what is the number?
Ans 1:
Class : Class 4
fifteen\15
Ans 2:
Class : Class 9
fifteen/15
Ans 3:
Class : Class 8
do the opposite calculations.
100/5=20
20+10=30
30/2=15
Ans 4:
Class : Class 7
15
Ans 5:
Class : Class 10
15
Ans 6:
Class : Class 8
15