Number System 3√103823 = ? 47 41 52 44 47 41 52 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System If the difference between a number and its three-fourth is 18, find the number. 72 68 61 57 72 68 61 57 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System What least number should be added to 8602 to make it a perfect square ? 47 41 51 36 47 41 51 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 1326400 3326400 2326400 None of these 1326400 3326400 2326400 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 19765 18456 20160 17453 19765 18456 20160 17453 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 10 8 9 7 10 8 9 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
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