Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 72 90 42 69 72 90 42 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 54 45 35 25 54 45 35 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 382 343 396 378 382 343 396 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 7 19 1 15 7 19 1 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System 93296 - 45874 + 20382 - 56817 = ? 109867 109877 109857 109887 109867 109877 109857 109887 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System What is the sum of all the prime numbers from 20 to 40? 117 119 118 120 117 119 118 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
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