## CAT Exam: Quant Tips and Tricks by CAT Topper

This is a special notes for all CAT and MBA aspirants.. by IIM Topper. QUANT THEORY 1) nPr = n!/(n-r)! 2) nPn = n! 3) nCr = n!/(n-r)!r! 4) nCn = 1 5) nP0 = 1 6) nC0 = 1 7) AP An = a + (n-1)d Sn = n/2[2a + (n-1)d] 8) GP An = ar(n-1) Sn = a(rn – 1 )/ (r-1) S∞ = a/(1-r) 9) 1 mile = 1760 yards 10) 1 yard = 3 feet 11) 1 mile2 = 640 acres 12) I gallon = 4 quarts 13) 1 quart = 2 pints 14) 1 pint = 2 cups 15) 1 cup = 8 ounces 16) 1 pound = 16 ounces 17) 1 ounce = 16 drams…

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