24.A b/c multiplying with other numbers lower than 10 which is the number 1-9 would not equal to any of the options you have. However, 0 is also your other option and is lower than 10. If you are questioning why you have to do multiplication, the keyword is product. 26.B b/c the smallest odd number is 1. However, it has to be greater than 399 which is 401 (1 was included to the 400). Next, you divide it by 10 which equals to 40.1 and your remainder is 1 27.D b/c parallel means the opposite to the given line. 28.D 29.D b/c you do cross multiplication Ex: (5 gizmos/3 gremlins) x (? gizmos/45 gremlins) 30.B b/c its B trust me you don't want to go through the whole process