Number System √(17)² + (17)² + (5)² - 2 = ? 19 18 17 16 19 18 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 9 7 8 10 9 7 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 64, 16 65, 15 62, 18 60, 20 64, 16 65, 15 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 60480 61480 63480 62480 60480 61480 63480 62480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Find out the smallest possible number which will be divisible by 1122 as well as 153. 2366 4366 1366 3366 2366 4366 1366 3366 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3366
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 4 4: 7 None 7: 11 7: 4 4: 7 None 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7