Number System If the difference between a number and its three fifths is 62, what is the number ? 155 145 175 165 155 145 175 165 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System 2536+4851—?=3450+313 5243 6784 3624 4567 5243 6784 3624 4567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3624
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 7.5 4 15 5 7.5 4 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ? 40 39 37 38 40 39 37 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ 10x + y - (10y + x) = 27or 9x - 9y = 27∴ x - y = 3 .......(I)x + y = 13 .......(II)From eqn (I) and (II)x = 8 and y = 5.So the number = 85Therefore, product = 8 x 5 = 40
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 3.5 6 8 None of these 3.5 6 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System What is 432 times 119 ? 50408 52408 53408 51408 50408 52408 53408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
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