Number System What is the least number, which is perfect square but contains 2700 as its factor? 10800 2700 1800 5400 10800 2700 1800 5400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System Simplify the 121 * 175 + 363 * 275 None of these 328100 363000 316600 None of these 328100 363000 316600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 4/9 5/9 3/9 6/9 4/9 5/9 3/9 6/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 34 33 36 35 34 33 36 35 ANSWER DOWNLOAD EXAMIANS APP
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 12, 9 12, 7 10, 5 11, 6 12, 9 12, 7 10, 5 11, 6 ANSWER DOWNLOAD EXAMIANS APP
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 47.765 49.765 46.765 48.765 47.765 49.765 46.765 48.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
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