Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 78 34 65 23 78 34 65 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 4589 2476 3289 1760 4589 2476 3289 1760 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System 106 * 106 - 94 * 94 = ? 2000 1904 2400 1906 2000 1904 2400 1906 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? Cannot be determined 29 92 70 Cannot be determined 29 92 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 68 67 78 63 68 67 78 63 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 556 515 720 660 556 515 720 660 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
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