Number System 217 * 217 + 183 * 183 = ? 80698 81268 79698 80578 80698 81268 79698 80578 ANSWER DOWNLOAD EXAMIANS APP
Number System 432+2170+35=? 729 523 678 494 729 523 678 494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System If the numerator of a fraction is decreased by 12.5% and the denominator is increased by 180% the resultant fraction is 1/2. What is the original fraction ? 1/5 8/5 7/5 3/5 1/5 8/5 7/5 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be x/y.∴ x x 87.5/100/y x 280/100 = 1/2or 87.5x/280y = 1/2∴ 175x = 280y∴ x/y = 280/175 = 8/5
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 32 None 24 18 32 None 24 18 ANSWER DOWNLOAD EXAMIANS APP
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 ? 6373 6363 6383 6353 6373 6363 6383 6353 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
EXAMIANS