Number System {(742)² ÷ 36} ÷ 2 = ? 421.5 420.5 423.5 422.5 421.5 420.5 423.5 422.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System ind the number, difference between number and its 3/5 is 50 125 123 120 124 125 123 120 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System 450% of a number is 4725. What is 82% of that number ? 871 841 861 851 871 841 861 851 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2504 2510 2520 2508 2504 2510 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 31 28 30 29 31 28 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System What is the sum of all the prime numbers from 20 to 40? 118 120 117 119 118 120 117 119 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
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