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 The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 68 78 67 63 68 78 67 63 ANSWER DOWNLOAD EXAMIANS APP
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 101 97 103 99 101 97 103 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1140 1180 1120 1160 1140 1180 1120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System 93296 - 45874 + 20382 - 56817 = ? 109867 109857 109887 109877 109867 109857 109887 109877 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 14 36 None of these 54 14 36 None of these 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
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