Number System What least number should be added to 8602 to make it a perfect square ? 41 47 36 51 41 47 36 51 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 65, 15 62, 18 64, 16 60, 20 65, 15 62, 18 64, 16 ANSWER DOWNLOAD EXAMIANS APP
Number System (800 / 64) * (1296 / 36) = ? None of these 500 460 420 None of these 500 460 420 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number. 49 47 50 48 49 47 50 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the digits be x and yTherefore, x + y = 12 .............(1)(10y + x) - (10x + y) Therefore, y - x = 4............. (2)Solving (1) and (2), y = 8 Therefore, x = 4There are two possible numbers 48 and 84. So the lowest no. is 48.
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 50 125 30 25 50 125 30 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System 64% of 2650+40% 0f 320=? 1824 1247 2096 1578 1824 1247 2096 1578 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
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