Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 11 13 9 15 11 13 9 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 99 97 103 101 99 97 103 101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 17 15 18 16 17 15 18 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System How many numbers up to 100 are divisible by 7? 100 107 14 93 100 107 14 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 100/7 = 14 2/7 => 14 Numbers
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 17453 18456 19765 20160 17453 18456 19765 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 28 12 18 21 28 12 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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