Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 180 160 140 240 180 160 140 240 ANSWER DOWNLOAD EXAMIANS APP
Number System How many numbers up to 100 and 300 are divisible by 11? 20 18 22 21 20 18 22 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System 1256+4813+765=? 6834 6831 6836 6839 6834 6831 6836 6839 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 44 88 80 40 44 88 80 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is: 253 145 352 370 253 145 352 370 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the middle digit be x. Then, 2x = 10 or x = 5.So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit. Hence, required number = 253.
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43893 43883 70983 43983 43893 43883 70983 43983 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
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