Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 54.08 34.08 44.08 64.08 54.08 34.08 44.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 103 99 92 95 103 99 92 95 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 3326400 None of these 1326400 2326400 3326400 None of these 1326400 2326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 120 None of these 55 30 120 None of these 55 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 44 40 88 80 44 40 88 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2527 2517 2607 2506 2527 2517 2607 2506 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
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