Number System 217 * 217 + 183 * 183 = ? 81268 80578 80698 79698 81268 80578 80698 79698 ANSWER DOWNLOAD EXAMIANS APP
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 15 13 11 17 15 13 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System (95.6x 910.3) ÷ 92.56256 = 9? 14.44 13.34 12.24 15.54 14.44 13.34 12.24 15.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? None of these 40 60 80 None of these 40 60 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 15 16 17 18 15 16 17 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 275 295 225 245 275 295 225 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
EXAMIANS