Question by Quoc Tran Anh Le

31/07/2018 at 02:18

9 : 10 : : 81 : ?

This is read as “9 is to 10 as 81 is to . . .” and the answer is 100.

9² = 81

10² = 100

Now find the missing numbers or words in the following analogies:

a. 11 : 121 : : 20 : ?

b. 3 : 27 : : 4 : ?

Math Puzzles

Tôn Thất Khắc Trịnh 31/07/2018 at 08:13

a. \(11^2=121;20^2=400\) so the answer is 400
b. \(3^3=27;4^3=64\) so the answer is 64
Quoc Tran Anh Le selected this answer.
Nguyễn Đức Anh 31/07/2018 at 14:44

Answer is 400 and 64

It right????