Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 692 689 678 652 692 689 678 652 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 45 44 46 47 45 44 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
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? 110 100 90 None of these 110 100 90 None of these 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 The Twenty-First Century will start on January 1 in the year 2100 2001 2000 2101 2100 2001 2000 2101 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 30 Cannot be determined 24 20 30 Cannot be determined 24 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 29 33 37 35 29 33 37 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
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