Number System I. 3x2-14x + 8 = 0 II. 2y2 - 1 7 y + 36 = 0 if x > y if x < y if x >= y if x <= y if x > y if x < y if x >= y if x <= y ANSWER EXPLANATION DOWNLOAD EXAMIANS APP l. 3x2 - 12x - 2x + 8 = 0or 3x(x - 4) -2 (x -4) = 0∴ x = 4, 2/3ll. 2y2 - 8y - 9y + 36 = 0or 2y (y - 4) -9 (y - 4) = 0or (2y - 9) (y - 4) = 0∴ y = 4, 9/2
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 333 555 666 444 333 555 666 444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System What is 432 times 119 ? 52408 53408 50408 51408 52408 53408 50408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
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 ? 2476 3289 4589 1760 2476 3289 4589 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 If 2^(2x-1) = 8^(3-x), then the value of x is: 5 6 2 9 5 6 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 110 93 85 74 110 93 85 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
EXAMIANS