Number System What is 50% of 40% of Rs. 3,450? 690 630 670 640 690 630 670 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System 1089/? = ?/1296 1278 1348 1188 1082 1278 1348 1188 1082 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
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 49 47 50 48 49 47 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 A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BED BAT CAR CAT BED BAT CAR CAT ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System 217 * 217 + 183 * 183 = ? 80698 79698 81268 80578 80698 79698 81268 80578 ANSWER DOWNLOAD EXAMIANS APP
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