Fast Math - Double That Number! - Statistics

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General Stats

This quiz has been taken 613,007 times
The average score is 12 of 20

Answer Stats

Number	Double	% Correct
5	10	93%
7	14	93%
8	16	93%
6	12	92%
9	18	92%
30	60	88%
11	22	87%
12	24	87%
40	80	87%
50	100	86%
51	102	86%
60	120	86%
14	28	86%
15	30	86%
20	40	86%
21	42	86%
22	44	86%
44	88	86%
70	140	85%
10	20	85%
111	222	85%
13	26	85%
24	48	85%
31	62	85%
41	82	85%
45	90	85%
53	106	84%
61	122	84%
80	160	84%
90	180	84%
100	200	84%
101	202	84%
16	32	84%
17	34	84%
18	36	84%
210	420	84%
23	46	84%
26	52	84%
32	64	84%
33	66	84%
42	84	84%
52	104	83%
700	1400	83%
800	1600	83%
104	208	83%
110	220	83%
120	240	83%
200	400	83%
25	50	83%
27	54	83%
300	600	83%
34	68	83%
35	70	83%
43	86	83%
54	108	82%
55	110	82%
600	1200	82%
63	126	82%
64	128	82%
71	142	82%
81	162	82%
91	182	82%
107	214	82%
130	260	82%
140	280	82%
150	300	82%
19	38	82%
36	72	82%
440	880	82%
46	92	82%
49	98	82%
500	1000	81%
62	124	81%
72	144	81%
73	146	81%
75	150	81%
82	164	81%
84	168	81%
900	1800	81%
102	204	81%
112	224	81%
121	242	81%
122	244	81%
125	250	81%
310	620	81%
400	800	81%
404	808	81%
411	822	81%
57	114	80%
58	116	80%
65	130	80%
74	148	80%
105	210	80%
106	212	80%
141	282	80%
201	402	80%
222	444	80%
230	460	80%
28	56	80%
301	602	80%
302	604	80%
39	78	80%
401	802	80%
402	804	80%
410	820	80%
47	94	80%
48	96	80%
501	1002	79%
502	1004	79%
511	1022	79%
710	1420	79%
85	170	79%
92	184	79%
95	190	79%
103	206	79%
109	218	79%
114	228	79%
115	230	79%
133	266	79%
144	288	79%
160	320	79%
203	406	79%
211	422	79%
220	440	79%
221	442	79%
250	500	79%
29	58	79%
303	606	79%
330	660	79%
37	74	79%
38	76	79%
444	888	79%
510	1020	78%
56	112	78%
59	118	78%
601	1202	78%
610	1220	78%
701	1402	78%
810	1620	78%
83	166	78%
113	226	78%
123	246	78%
131	262	78%
180	360	78%
202	404	78%
204	408	78%
212	424	78%
304	608	78%
311	622	78%
312	624	78%
420	840	78%
430	860	78%
503	1006	77%
505	1010	77%
540	1080	77%
550	1100	77%
602	1204	77%
77	154	77%
802	1604	77%
901	1802	77%
93	186	77%
99	198	77%
108	216	77%
124	248	77%
205	410	77%
208	416	77%
244	488	77%
307	614	77%
320	640	77%
331	662	77%
333	666	77%
350	700	77%
403	806	77%
412	824	77%
414	828	77%
450	900	77%
504	1008	76%
520	1040	76%
530	1060	76%
620	1240	76%
640	1280	76%
66	132	76%
68	136	76%
76	152	76%
902	1804	76%
910	1820	76%
94	188	76%
116	232	76%
143	286	76%
170	340	76%
206	412	76%
207	414	76%
209	418	76%
213	426	76%
215	430	76%
240	480	76%
260	520	76%
305	610	76%
306	612	76%
313	626	76%
322	644	76%
405	810	76%
407	814	76%
422	844	76%
506	1012	75%
507	1014	75%
509	1018	75%
512	1024	75%
603	1206	75%
604	1208	75%
611	1222	75%
650	1300	75%
703	1406	75%
707	1414	75%
720	1440	75%
79	158	75%
801	1602	75%
803	1606	75%
820	1640	75%
97	194	75%
142	284	75%
145	290	75%
151	302	75%
190	380	75%
214	428	75%
223	446	75%
224	448	75%
232	464	75%
242	484	75%
308	616	75%
340	680	75%
408	816	75%
514	1028	74%
521	1042	74%
606	1212	74%
67	134	74%
69	138	74%
702	1404	74%
704	1408	74%
711	1422	74%
730	1460	74%
750	1500	74%
78	156	74%
811	1622	74%
86	172	74%
96	192	74%
126	252	74%
132	264	74%
134	268	74%
135	270	74%
225	450	74%
233	466	74%
309	618	74%
314	628	74%
332	664	74%
360	720	74%
370	740	74%
406	812	74%
415	830	74%
441	882	74%
508	1016	73%
515	1030	73%
522	1044	73%
605	1210	73%
630	1260	73%
705	1410	73%
808	1616	73%
87	174	73%
904	1808	73%
905	1810	73%
98	196	73%
118	236	73%
152	304	73%
155	310	73%
199	398	73%
241	482	73%
270	540	73%
290	580	73%
315	630	73%
321	642	73%
325	650	73%
409	818	73%
413	826	73%
421	842	73%
442	884	73%
460	920	73%
525	1050	72%
607	1214	72%
608	1216	72%
612	1224	72%
804	1608	72%
806	1612	72%
850	1700	72%
88	176	72%
911	1822	72%
920	1840	72%
930	1860	72%
950	1900	72%
117	234	72%
127	254	72%
153	306	72%
154	308	72%
216	432	72%
235	470	72%
245	490	72%
251	502	72%
280	560	72%
323	646	72%
341	682	72%
344	688	72%
425	850	72%
513	1026	71%
740	1480	71%
805	1610	71%
830	1660	71%
840	1680	71%
89	178	71%
218	436	71%
231	462	71%
324	648	71%
423	846	71%
431	862	71%
470	940	71%
480	960	71%
524	1048	70%
541	1082	70%
560	1120	70%
609	1218	70%
622	1244	70%
706	1412	70%
807	1614	70%
908	1816	70%
119	238	70%
129	258	70%
149	298	70%
161	322	70%
175	350	70%
217	434	70%
316	632	70%
334	668	70%
351	702	70%
390	780	70%
424	848	70%
432	864	70%
443	886	70%
531	1062	69%
533	1066	69%
544	1088	69%
570	1140	69%
614	1228	69%
644	1288	69%
812	1624	69%
903	1806	69%
906	1812	69%
128	256	69%
252	504	69%
380	760	69%
416	832	69%
433	866	69%
451	902	69%
490	980	69%
518	1036	68%
523	1046	68%
551	1102	68%
580	1160	68%
613	1226	68%
615	1230	68%
660	1320	68%
709	1418	68%
715	1430	68%
907	1814	68%
909	1818	68%
136	272	68%
181	362	68%
228	456	68%
234	468	68%
243	486	68%
253	506	68%
255	510	68%
299	598	68%
342	684	68%
434	868	68%
445	890	68%
499	998	68%
516	1032	67%
552	1104	67%
599	1198	67%
621	1242	67%
625	1250	67%
631	1262	67%
722	1444	67%
770	1540	67%
809	1618	67%
822	1644	67%
912	1824	67%
156	312	67%
219	438	67%
226	452	67%
317	634	67%
318	636	67%
335	670	67%
352	704	67%
535	1070	66%
542	1084	66%
545	1090	66%
633	1266	66%
708	1416	66%
712	1424	66%
721	1442	66%
760	1520	66%
813	1626	66%
814	1628	66%
815	1630	66%
922	1844	66%
940	1880	66%
148	296	66%
157	314	66%
162	324	66%
254	508	66%
319	638	66%
345	690	66%
354	708	66%
355	710	66%
418	836	66%
452	904	66%
532	1064	65%
534	1068	65%
590	1180	65%
670	1340	65%
699	1398	65%
713	1426	65%
733	1466	65%
960	1920	65%
139	278	65%
146	292	65%
158	316	65%
171	342	65%
261	522	65%
336	672	65%
343	686	65%
399	798	65%
417	834	65%
435	870	65%
517	1034	64%
519	1038	64%
553	1106	64%
616	1232	64%
618	1236	64%
623	1246	64%
624	1248	64%
641	1282	64%
714	1428	64%
725	1450	64%
821	1642	64%
880	1760	64%
915	1830	64%
970	1940	64%
980	1960	64%
990	1980	64%
138	276	64%
164	328	64%
227	454	64%
229	458	64%
236	472	64%
249	498	64%
256	512	64%
353	706	64%
419	838	64%
454	908	64%
731	1462	63%
780	1560	63%
825	1650	63%
833	1666	63%
913	1826	63%
914	1828	63%
137	274	63%
159	318	63%
165	330	63%
195	390	63%
198	396	63%
248	496	63%
295	590	63%
326	652	63%
426	852	63%
455	910	63%
526	1052	62%
528	1056	62%
543	1086	62%
554	1108	62%
555	1110	62%
680	1360	62%
690	1380	62%
823	1646	62%
841	1682	62%
844	1688	62%
860	1720	62%
921	1842	62%
275	550	62%
327	654	62%
328	656	62%
642	1284	61%
645	1290	61%
651	1302	61%
718	1436	61%
723	1446	61%
741	1482	61%
744	1488	61%
751	1502	61%
790	1580	61%
799	1598	61%
831	1662	61%
842	1684	61%
925	1850	61%
931	1862	61%
933	1866	61%
163	326	61%
172	344	61%
182	364	61%
192	384	61%
246	492	61%
257	514	61%
375	750	61%
428	856	61%
529	1058	60%
632	1264	60%
716	1432	60%
732	1464	60%
816	1632	60%
870	1740	60%
890	1780	60%
237	474	60%
329	658	60%
337	674	60%
349	698	60%
361	722	60%
427	854	60%
429	858	60%
449	898	60%
453	906	60%
527	1054	59%
724	1448	59%
745	1490	59%
824	1648	59%
832	1664	59%
899	1798	59%
944	1888	59%
147	294	59%
183	366	59%
185	370	59%
191	382	59%
197	394	59%
238	476	59%
258	516	59%
262	524	59%
264	528	59%
271	542	59%
282	564	59%
338	676	59%
346	692	59%
436	872	59%
446	892	59%
461	922	59%
495	990	59%
536	1072	58%
617	1234	58%
619	1238	58%
626	1252	58%
635	1270	58%
717	1434	58%
735	1470	58%
755	1510	58%
818	1636	58%
845	1690	58%
851	1702	58%
166	332	58%
173	346	58%
184	368	58%
196	392	58%
239	478	58%
263	526	58%
281	562	58%
291	582	58%
339	678	58%
364	728	58%
371	742	58%
447	894	58%
475	950	58%
556	1112	57%
575	1150	57%
634	1268	57%
643	1286	57%
742	1484	57%
817	1634	57%
835	1670	57%
916	1832	57%
923	1846	57%
932	1864	57%
193	386	57%
194	388	57%
247	494	57%
259	518	57%
272	544	57%
273	546	57%
298	596	57%
356	712	57%
365	730	57%
391	782	57%
395	790	57%
448	896	57%
462	924	57%
498	996	57%
539	1078	56%
652	1304	56%
653	1306	56%
654	1308	56%
734	1468	56%
743	1486	56%
752	1504	56%
834	1668	56%
924	1848	56%
942	1884	56%
174	348	56%
348	696	56%
363	726	56%
372	744	56%
437	874	56%
465	930	56%
537	1074	55%
548	1096	55%
549	1098	55%
655	1310	55%
719	1438	55%
728	1456	55%
827	1654	55%
917	1834	55%
918	1836	55%
926	1852	55%
935	1870	55%
941	1882	55%
945	1890	55%
951	1902	55%
179	358	55%
265	530	55%
357	714	55%
359	718	55%
362	724	55%
398	796	55%
438	876	55%
439	878	55%
457	914	55%
464	928	55%
471	942	55%
546	1092	54%
557	1114	54%
636	1272	54%
675	1350	54%
753	1506	54%
754	1508	54%
819	1638	54%
826	1652	54%
852	1704	54%
855	1710	54%
919	1838	54%
955	1910	54%
177	354	54%
266	532	54%
284	568	54%
292	584	54%
294	588	54%
347	694	54%
392	784	54%
456	912	54%
459	918	54%
538	1076	53%
547	1094	53%
561	1122	53%
562	1124	53%
581	1162	53%
627	1254	53%
628	1256	53%
629	1258	53%
726	1452	53%
775	1550	53%
828	1656	53%
843	1686	53%
854	1708	53%
952	1904	53%
167	334	53%
168	336	53%
297	594	53%
358	716	53%
381	762	53%
397	794	53%
458	916	53%
463	926	53%
481	962	53%
491	982	53%
496	992	53%
558	1116	52%
595	1190	52%
646	1292	52%
748	1496	52%
749	1498	52%
761	1522	52%
829	1658	52%
169	338	52%
176	352	52%
274	548	52%
296	592	52%
373	746	52%
382	764	52%
383	766	52%
393	786	52%
396	792	52%
473	946	52%
482	964	52%
485	970	52%
493	986	52%
497	994	52%
571	1142	51%
572	1144	51%
592	1184	51%
637	1274	51%
638	1276	51%
661	1322	51%
727	1454	51%
729	1458	51%
737	1474	51%
756	1512	51%
795	1590	51%
836	1672	51%
848	1696	51%
853	1706	51%
875	1750	51%
927	1854	51%
928	1856	51%
975	1950	51%
991	1982	51%
993	1986	51%
178	356	51%
187	374	51%
283	566	51%
293	586	51%
366	732	51%
472	944	51%
484	968	51%
492	984	51%
564	1128	50%
565	1130	50%
582	1164	50%
591	1182	50%
598	1196	50%
649	1298	50%
663	1326	50%
664	1328	50%
695	1390	50%
736	1472	50%
839	1678	50%
934	1868	50%
936	1872	50%
943	1886	50%
953	1906	50%
954	1908	50%
992	1984	50%
188	376	50%
189	378	50%
285	570	50%
374	748	50%
394	788	50%
494	988	50%
559	1118	49%
573	1146	49%
585	1170	49%
596	1192	49%
647	1294	49%
648	1296	49%
657	1314	49%
681	1362	49%
739	1478	49%
746	1492	49%
781	1562	49%
846	1692	49%
847	1694	49%
861	1722	49%
929	1858	49%
948	1896	49%
268	536	49%
277	554	49%
385	770	49%
563	1126	48%
574	1148	48%
597	1194	48%
639	1278	48%
656	1312	48%
662	1324	48%
672	1344	48%
698	1396	48%
738	1476	48%
747	1494	48%
764	1528	48%
765	1530	48%
771	1542	48%
791	1582	48%
871	1742	48%
873	1746	48%
949	1898	48%
961	1922	48%
994	1988	48%
186	372	48%
267	534	48%
269	538	48%
286	572	48%
288	576	48%
368	736	48%
384	768	48%
474	948	48%
476	952	48%
483	966	48%
583	1166	47%
584	1168	47%
665	1330	47%
671	1342	47%
682	1364	47%
692	1384	47%
762	1524	47%
772	1544	47%
773	1546	47%
797	1594	47%
798	1596	47%
837	1674	47%
849	1698	47%
858	1716	47%
864	1728	47%
865	1730	47%
881	1762	47%
891	1782	47%
937	1874	47%
946	1892	47%
971	1942	47%
985	1970	47%
276	552	47%
367	734	47%
466	932	47%
486	972	47%
593	1186	46%
594	1188	46%
696	1392	46%
697	1394	46%
758	1516	46%
759	1518	46%
763	1526	46%
838	1676	46%
856	1712	46%
862	1724	46%
882	1764	46%
895	1790	46%
982	1964	46%
278	556	46%
388	776	46%
658	1316	45%
673	1346	45%
691	1382	45%
757	1514	45%
792	1584	45%
884	1768	45%
938	1876	45%
939	1878	45%
947	1894	45%
956	1912	45%
957	1914	45%
962	1924	45%
965	1930	45%
973	1946	45%
981	1962	45%
279	558	45%
287	574	45%
377	754	45%
468	936	45%
477	954	45%
488	976	45%
576	1152	44%
666	1332	44%
674	1348	44%
684	1368	44%
685	1370	44%
774	1548	44%
782	1564	44%
783	1566	44%
857	1714	44%
883	1766	44%
885	1770	44%
893	1786	44%
958	1916	44%
963	1926	44%
972	1944	44%
983	1966	44%
289	578	44%
369	738	44%
376	752	44%
469	938	44%
478	956	44%
487	974	44%
566	1132	43%
577	1154	43%
579	1158	43%
588	1176	43%
659	1318	43%
667	1334	43%
683	1366	43%
693	1386	43%
694	1388	43%
766	1532	43%
793	1586	43%
794	1588	43%
796	1592	43%
872	1744	43%
892	1784	43%
959	1918	43%
967	1934	43%
386	772	43%
467	934	43%
479	958	43%
567	1134	42%
578	1156	42%
586	1172	42%
677	1354	42%
785	1570	42%
874	1748	42%
894	1788	42%
897	1794	42%
964	1928	42%
984	1968	42%
988	1976	42%
379	758	42%
387	774	42%
489	978	42%
676	1352	41%
679	1358	41%
686	1372	41%
777	1554	41%
784	1568	41%
859	1718	41%
863	1726	41%
896	1792	41%
974	1948	41%
976	1952	41%
977	1954	41%
389	778	41%
569	1138	40%
587	1174	40%
678	1356	40%
776	1552	40%
866	1732	40%
986	1972	40%
987	1974	40%
378	756	40%
568	1136	39%
589	1178	39%
668	1336	39%
688	1376	39%
689	1378	39%
767	1534	39%
768	1536	39%
778	1556	39%
779	1558	39%
869	1738	39%
876	1752	39%
898	1796	39%
978	1956	39%
669	1338	38%
687	1374	38%
769	1538	38%
786	1572	38%
787	1574	38%
788	1576	38%
789	1578	38%
877	1754	38%
879	1758	38%
887	1774	38%
888	1776	38%
968	1936	38%
989	1978	38%
867	1734	37%
878	1756	37%
886	1772	37%
966	1932	37%
969	1938	37%
979	1958	37%
868	1736	36%
889	1778	36%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

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