Number System What will be the next number in the following number series ? 191 162 182 177 191 162 182 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System A basket contains 5 blue, 4 green and 3 red ball. If three balls are picked at random, what is the probability that at least one is red ? 31/58 37/52 32/51 34/55 31/58 37/52 32/51 34/55 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Probability of having no red ball is9C3 / 12C3 = 21/55Probability of having at least one red ball is 1 - 21/55 = 34/55
Number System The number of prime factors of (6)10×(7)17×(55)27 61 41 101 91 61 41 101 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
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: 12 11 10 13 12 11 10 13 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.
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 72 56 38 44 72 56 38 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System What is the sum of all even numbers from 1 to 701? 123850 122550 122850 122500 123850 122550 122850 122500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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