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 6363 6373 6383 6353 6363 6373 6383 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
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 7 4 1 9 7 4 1 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System 432+2170+35=? 678 729 523 494 678 729 523 494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 54.7 42.6 42.1 45 54.7 42.6 42.1 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System What least number shall be added to 4700 to make it a perfect square ? 91 81 61 71 91 81 61 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System 56.21 +2.36+5.41 —21.4+1.5=? 44.08 34.08 64.08 54.08 44.08 34.08 64.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
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