Number System (444 x 44 x 4) ÷ 40 ? 1853.6 2053.6 2153.6 1953.6 1853.6 2053.6 2153.6 1953.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System What will be the next number in the following number series ? 191 182 162 177 191 182 162 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System What least number must be subtracted from 2641 so that the remainder left, when divided by 10,15 and 25, is 7 in each case ? 81 87 94 84 81 87 94 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP LCM of 10, 15, 25 = 150When we drive 2641 by 150 the remainder is 91.But the remainder should be 7.So, the number to be subtracted from 2641 is 91 - 7 = 84.
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 160 12 180 28 160 12 180 28 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 What is the value of ? in the following equations ? 72/? = ?/50 60 80 40 100 60 80 40 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 373 353 363 343 373 353 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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