Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1680 1580 1780 1480 1680 1580 1780 1480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 23 22 20 21 23 22 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 363 353 373 343 363 353 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 16 18 17 15 16 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System 1256+4813+765=? 6836 6834 6839 6831 6836 6834 6839 6831 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 77 76 78 75 77 76 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
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