Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 5243 2435 2345 2105 5243 2435 2345 2105 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 18 17 16 15 18 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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? 2/5 4/5 3/5 1/5 2/5 4/5 3/5 1/5 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 If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 11/13 7/9 1/3 5/4 11/13 7/9 1/3 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System If the difference between a number and its three fifths is 62, what is the number ? 145 165 155 175 145 165 155 175 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6353 6383 6363 6373 6353 6383 6363 6373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
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