Number System Simplify the 121 * 175 + 363 * 275 None of these 328100 316600 363000 None of these 328100 316600 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 difference between two integers is 5. Their product is 500. Find the numbers. 21, 26 30, 25 15, 20 20, 25 21, 26 30, 25 15, 20 20, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 64 70 68 66 64 70 68 66 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 15 19 1 7 15 19 1 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 1/5 4/5 3/5 2/5 1/5 4/5 3/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 5336 2568 9865 6890 5336 2568 9865 6890 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336