Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for CAT BAT BED CAR CAT BAT BED CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System The simplest form of 1.5 : 2.5 is : 17 : 19 3 : 5 13 : 11 5 : 7 17 : 19 3 : 5 13 : 11 5 : 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 92 99 95 103 92 99 95 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System 68375 + 72848 - ? = 34346 + 49569 58308 57308 59308 None of these 58308 57308 59308 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 68375 + 72848 - 34346 - 49569 = 141223 - 83915 = 57308
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. 50 48 47 49 50 48 47 49 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 The sum of three consecutive numbers is 87. The greatest among these three number is: 29 28 30 26 29 28 30 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.