Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 2360 6460 3260 3360 2360 6460 3260 3360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System 148 x 3.75 x 4 = 111 x ? 17 24 20 19 17 24 20 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 90 100 None of these 110 90 100 None of these 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 321 121 11 225 321 121 11 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System {3√4913}² = ? 333 121 289 225 333 121 289 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 45 44 46 47 45 44 46 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
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