Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1140 1160 1120 1180 1140 1160 1120 1180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 12 160 180 28 12 160 180 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 118 112 116 114 118 112 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 90 69 42 72 90 69 42 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System Find the nearest to 25268 which is exactly divisible by 467? 25308 25208 25218 25228 25308 25208 25218 25228 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. None of these 30 120 55 None of these 30 120 55 ANSWER DOWNLOAD EXAMIANS APP
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