Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 23 65 34 78 23 65 34 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 1800 5400 10800 2700 1800 5400 10800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 49 39 69 59 49 39 69 59 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145314 145714 145214 145914 145314 145714 145214 145914 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 27 24 36 21 27 24 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 140 180 160 240 140 180 160 240 ANSWER DOWNLOAD EXAMIANS APP