Number System What is the sum of all even numbers from 1 to 701? 122500 122550 123850 122850 122500 122550 123850 122850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System The simplest form of 1.5 : 2.5 is : 17 : 19 5 : 7 13 : 11 3 : 5 17 : 19 5 : 7 13 : 11 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 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? 90 None of these 100 110 90 None of these 100 110 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.
Number System ind the number, difference between number and its 3/5 is 50 124 120 125 123 124 120 125 123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System The difference between the two digit number and the number obtained by interchanging its digits is 54. The difference between the digits is? 1 6 Nothing can be said. 4 1 6 Nothing can be said. 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) – (10y + x) = 54x – y = 6
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 24.84 25.84 21.84 27.84 24.84 25.84 21.84 27.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
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