Number System (800 / 64) * (1296 / 36) = ? 460 None of these 500 420 460 None of these 500 420 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System 64% of 2650+40% 0f 320=? 2096 1247 1578 1824 2096 1247 1578 1824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System In how many different ways can the letters of the word TEST' be arranged ? 10 16 12 8 10 16 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 14 12 15 13 14 12 15 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
Number System If the difference between a number and its three fifths is 62, what is the number ? 165 145 175 155 165 145 175 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System Complete the series : 81, 69, 58, 48, 39 ........ 28 29 31 30 28 29 31 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
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