Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 10, 5 7, 8 9, 6 6, 9 10, 5 7, 8 9, 6 6, 9 ANSWER DOWNLOAD EXAMIANS APP
Number System √(17)² + (17)² + (5)² - 2 = ? 18 19 17 16 18 19 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47649 47719 48619 47619 47649 47719 48619 47619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 146 163 124 179 146 163 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 50553 55053 5553 56053 50553 55053 5553 56053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 140 160 240 180 140 160 240 ANSWER DOWNLOAD EXAMIANS APP
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