Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 4 10 6 5 4 10 6 ANSWER DOWNLOAD EXAMIANS APP
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2725 None of these 2675 2875 2725 None of these 2675 2875 ANSWER DOWNLOAD EXAMIANS APP
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 321 225 11 121 321 225 11 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 5656 7878 4545 3434 5656 7878 4545 3434 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System If 35% of a number is 899.5, what is 68% of that number ? 1847.6 1747.6 2247.6 1547.6 1847.6 1747.6 2247.6 1547.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose the number is x.Then 35% of x = 899.5∴ 68% of x = 68/35 x 899.5 = 1747.6
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 1760 2476 3289 4589 1760 2476 3289 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
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