Number System The number of prime factors of (6)10×(7)17×(55)27 91 101 61 41 91 101 61 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 321 11 121 225 321 11 121 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System The Twenty-First Century will start on January 1 in the year 2000 2101 2100 2001 2000 2101 2100 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System 3√68921 = ? 21 41 31 51 21 41 31 51 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System (√6 + 1)² = ? + 2√6 6 5 8 7 6 5 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7
Number System On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is: 13 11 12 10 13 11 12 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Clearly, (2272 - 875) = 1397, is exactly divisible by N.Now. 1397 = 11 * 127The required 3-digit number is 127, the sum of whose digit is 10.
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