Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47719 47619 47649 48619 47719 47619 47649 48619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 521.49 491.49 501.49 511.49 521.49 491.49 501.49 511.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System What least number shall be added to 4700 to make it a perfect square ? 61 71 81 91 61 71 81 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 12 30 14 None of these 12 30 14 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
Number System What is 50% of 40% of Rs. 3,450? 640 670 630 690 640 670 630 690 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System 65% of 320+?=686 479 481 478 480 479 481 478 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
EXAMIANS