Number System {(742)² ÷ 36} ÷ 2 = ? 423.5 422.5 421.5 420.5 423.5 422.5 421.5 420.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2510 2504 2520 2508 2510 2504 2520 2508 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
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 80 88 44 40 80 88 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 If one-seventh of a number is 55 then 40% of that number = ? 171 154 147 163 171 154 147 163 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 32 35 40 39 32 35 40 39 ANSWER DOWNLOAD EXAMIANS APP
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 24 None 32 18 24 None 32 ANSWER DOWNLOAD EXAMIANS APP
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