Powers of Two Test
Total Questions: 50

Press [ ENTER ] to begin!

2 * 2 = 4

Correct! 1 of 1 correct : 49 remain

4 * 2 = 8

Correct! 2 of 2 correct : 48 remain

8 * 2 = 16

Correct! 3 of 3 correct : 47 remain

16 * 2 = 32

Correct! 4 of 4 correct : 46 remain

32 * 2 = 64

Correct! 5 of 5 correct : 45 remain

64 * 2 = 128

Correct! 6 of 6 correct : 44 remain

128 * 2 = 256

Correct! 7 of 7 correct : 43 remain

256 * 2 = 512

Correct! 8 of 8 correct : 42 remain

512 * 2 = 1024

Correct! 9 of 9 correct : 41 remain

1024 * 2 = 2048

Correct! 10 of 10 correct : 40 remain

2048 * 2 = 4096

Correct! 11 of 11 correct : 39 remain

4096 * 2 = 8192

Correct! 12 of 12 correct : 38 remain

8192 * 2 = 1768

Fail! (16384) 12 of 13 correct : 37 remain

16384 * 2 = 32768

Correct! 13 of 14 correct : 36 remain

32768 * 2 = 65536

Correct! 14 of 15 correct : 35 remain

65536 * 2 = 131072

Correct! 15 of 16 correct : 34 remain

131072 * 2 = 262144

Correct! 16 of 17 correct : 33 remain

262144 * 2 = 524288

Correct! 17 of 18 correct : 32 remain

524288 * 2 = 1048576

Correct! 18 of 19 correct : 31 remain

1048576 * 2 = 2097152

Correct! 19 of 20 correct : 30 remain

2097152 * 2 = 4194304

Correct! 20 of 21 correct : 29 remain

4194304 * 2 = 8288608

Fail! (8388608) 20 of 22 correct : 28 remain

8388608 * 2 = 16777216

Correct! 21 of 23 correct : 27 remain

16777216 * 2 = 33554432

Correct! 22 of 24 correct : 26 remain

33554432 * 2 = 67108864

Correct! 23 of 25 correct : 25 remain

67108864 * 2 = 134217728

Correct! 24 of 26 correct : 24 remain

134217728 * 2 = 268433456

Fail! (268435456) 24 of 27 correct : 23 remain

268435456 * 2 = 536870912

Correct! 25 of 28 correct : 22 remain

536870912 * 2 = 1073741824

Correct! 26 of 29 correct : 21 remain

1073741824 * 2 = 2147482648

Fail! (2147483648) 26 of 30 correct : 20 remain

2147483648 * 2 = 4294967296

Correct! 27 of 31 correct : 19 remain

4294967296 * 2 = 8589934592

Correct! 28 of 32 correct : 18 remain

8589934592 * 2 = 16119986904

Fail! (17179869184) 28 of 33 correct : 17 remain

17179869184 * 2 = 34359736268

Fail! (34359738368) 28 of 34 correct : 16 remain

34359738368 * 2 = 68719476736

Correct! 29 of 35 correct : 15 remain

68719476736 * 2 = 137238953472

Fail! (137438953472) 29 of 36 correct : 14 remain

137438953472 * 2 = 272877906948

Fail! (274877906944) 29 of 37 correct : 13 remain

274877906944 * 2 = 529733813888

Fail! (549755813888) 29 of 38 correct : 12 remain

549755813888 * 2 = 1099511627876

Fail! (1099511627776) 29 of 39 correct : 11 remain

1099511627776 * 2 = 219102255552

Fail! (2199023255552) 29 of 40 correct : 10 remain

2199023255552 * 2 = 4298046501114

Fail! (4398046511104) 29 of 41 correct : 9 remain

4398046511104 * 2 = 8796093022208

Correct! 30 of 42 correct : 8 remain

8796093022208 * 2 = 17752186044416

Fail! (17592186044416) 30 of 43 correct : 7 remain

17592186044416 * 2 = 35184372088822

Fail! (35184372088832) 30 of 44 correct : 6 remain

35184372088832 * 2 = 70368724177764

Fail! (70368744177664) 30 of 45 correct : 5 remain

70368744177664 * 2 = 14073748825228

Fail! (140737488355328) 30 of 46 correct : 4 remain

140737488355328 * 2 = 28147497671656

Fail! (281474976710656) 30 of 47 correct : 3 remain

281474976710656 * 2 = 0

Fail! (562949953421312) 30 of 48 correct : 2 remain

562949953421312 * 2 = 0

Fail! (1125899906842624) 30 of 49 correct : 1 remain

1125899906842624 * 2 = 0

Fail! (2251799813685248) 30 of 50 correct : 0 remain


You've finished...
Duration: 15 minutes 24 seconds 24 milliseconds
Score: 30 of 50
You missed 20
Your score is: 2187
Your score's validation code is: e2ad76f2326fbc6b56a45a56c59fafdb

Press [ ENTER ] to exit