Number System In how many different ways can the letters of the word TEST' be arranged ? 16 8 10 12 16 8 10 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 68 63 78 67 68 63 78 67 ANSWER DOWNLOAD EXAMIANS APP
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: 11 10 13 12 11 10 13 12 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 Find the least value of 3x + 4y if x2y3 = 6. 10 7 3 6 10 7 3 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 30 20 Cannot be determined 24 30 20 Cannot be determined 24 ANSWER DOWNLOAD EXAMIANS APP
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 41 42 40 39 41 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
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