Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 56 36 52 48 56 36 52 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 77/73 73/77 83/77 93/77 77/73 73/77 83/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System 3√103823 = ? 47 52 44 41 47 52 44 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System ind the number, difference between number and its 3/5 is 50 123 124 125 120 123 124 125 120 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 Simplify the 121 * 175 + 363 * 275 328100 316600 None of these 363000 328100 316600 None of these 363000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145914 145214 145314 145714 145914 145214 145314 145714 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
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