Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 45 30 22 1/2 40 45 30 22 1/2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System 450% of a number is 4725. What is 82% of that number ? 851 841 861 871 851 841 861 871 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 343 396 382 378 343 396 382 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1260 1240 1300 1280 1260 1240 1300 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System ?125÷5x ?=6265 1452 153 1253 124 1452 153 1253 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 13 0 20 12 13 0 20 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
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