Number System {(742)² ÷ 36} ÷ 2 = ? 421.5 423.5 420.5 422.5 421.5 423.5 420.5 422.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 15, 20 21, 26 30, 25 20, 25 15, 20 21, 26 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 168 170 169 171 168 170 169 171 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2675 2725 2875 None of these 2675 2725 2875 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 180 60 260 120 180 60 260 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 388 386 384 391 388 386 384 391 ANSWER DOWNLOAD EXAMIANS APP
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