Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 640 510 860 720 640 510 860 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System 124, 235, 447, 760, 1174, ? 1689 1489 1389 1589 1689 1489 1389 1589 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System If HKUJ means FISH, what does UVCD mean ? STAR STAK STAM STAB STAR STAK STAM STAB ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 9 2 5 6 9 2 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 42 23 36 16 42 23 36 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System If the sum of five consecutive even numbers A, B, C, D and E is 130, what is the product of A and E ? 840 720 780 660 840 720 780 660 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive even numbers be A = 2x, B = 2x + 2, C = 2x + 4, D = 2x + 6 and E = 2x + 8= A + B + C + D + E = 130= 10x + 20 = 130∴ x = 130 - 20/10 = 11Therefore, product of A and E= 22 x 30 = 660