Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 84 82 83 81 84 82 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System 217 * 217 + 183 * 183 = ? 80578 81268 79698 80698 80578 81268 79698 80698 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the least number, which is perfect square but contains 2700 as its factor? 5400 10800 2700 1800 5400 10800 2700 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
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: 10 6 4 5 10 6 4 5 ANSWER DOWNLOAD EXAMIANS APP
Number System 7432 ÷ 32 x ? = 2787 12 21 41 78 12 21 41 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System What is 846 times 323 ? 293798 283298 273258 264258 293798 283298 273258 264258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258