Select the INCORRECT match with respect to International system of numeration.
ATen Billions - 1010
BTrillions - 1012
CMillions - 107
DHundreds - 102
Ankita has 4 marbles. She has 1 fewer marble than Harshita. How many marbles does Harshita have?
Find two numbers such that, one of them is 8 more than the other and their sum is equal to 64.