1/100 correct answers 0.01 or 1%
1/50 correct answers .02 or 2%
1/25 correct answers .04 or 4%
1/20 correct answers 0.05 or 5%
1/10 correct answers 0.1 or 10%
1/9 correct answers .111 or 11.1%
Remember Pattern: Every time the numerator increases by 1 the percentage increases on an 1...
GMAT: Math Memorization || Already Graded A+.
1/100 correct answers 0.01 or 1%
1/50 correct answers .02 or 2%
1/25 correct answers .04 or 4%
1/20 correct answers 0.05 or 5%
1/10 correct answers 0.1 or 10%
1/9 correct answers .111 or 11.1%
Remember Pattern: Every time the numerator increases by 1 the percentage increases on an 11 point basis. So 7/9 is 77.77% and 8/9 is 88.88%
1/8 correct answers 0.125 or 12.5%
1/7 correct answers .143 or 14.3%
1/6 correct answers .16 or 16.6%
1/5 correct answers .20 or 20%
1/4 correct answers 0.25 or 25%
3/10 correct answers 0.3 or 30%
3/8 correct answers 0.375 or 37.5%
2/5 correct answers .4 or 40%
1/2 correct answers 0.50 or 50%
3/5 correct answers .6 or 60%
5/8 correct answers 0.625 or 62.5%
2/3 correct answers .666 or 66.6%
7/10 correct answers .70 or 70%
3/4 correct answers 0.75 or 75%
4/5 correct answers 0.80 or 80% 5/6 correct answers .833 pr 83.3%
7/8 correct answers 0.875 or 87.5%
9/10 correct answers .90 or 90%
1/1 correct answers 1 or 100%
5/4 correct answers 1.25 or 125%
4/3 correct answers 1.33 or 133%
3/2 correct answers 1.5 or 150%
7/4 correct answers 1.75 or 175%
1/11 correct answers .0909 or 9.09%
Remember Pattern: Every time the numerator increases by 1 and the denominator remains 1 the percentage increases on a 9 point basis. So 2/11 is 18.18%. 3/11 is 27.27%. 10/11 is 90.90%. You can also multiply the numerator by the 9 to get an estimate. 8/11 is 72.72%
√ 1 correct answers 1
√2 correct answers 1.4
1.4² correct answers √2
√3 correct answers 1.73
1.73² correct answers √3
√4 correct answers 2
√5 correct answers 2.25
2.25² correct answers √5
2² correct answers 4
√9 correct answers 3
3² correct answers 9
√16 correct answers 4
4² correct answers 16
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