Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 10, 5 7, 8 6, 9 9, 6 10, 5 7, 8 6, 9 9, 6 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 245 220 225 232 245 220 225 232 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System If the difference between a number and its three fifths is 62, what is the number ? 145 165 175 155 145 165 175 155 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 180 12 28 160 180 12 28 160 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 Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 5 4 7.5 15 5 4 7.5 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 100 90 None of these 110 100 90 None of these 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
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