Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 3.4 4.5 5.6 2.3 3.4 4.5 5.6 2.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System If (83)² is subtracted from the square of a number, the answer so obtained is 8487. What is the number ? 179 163 146 124 179 163 146 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² - (83)² = 8487x² = 8487 + (83)²x² = 8487 + 6889x² = 15376Therefore, x² = 15376 x = 124
Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 84 83 81 82 84 83 81 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System 65 x 288 ÷ 52 = 1.8 x ? 210 200 180 190 210 200 180 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 0 11 3 5 0 11 3 5 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 171 169 168 170 171 169 168 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168