Number System Find the number of factors of 300 excluding 1 and itself. 18 16 14 15 18 16 14 15 ANSWER DOWNLOAD EXAMIANS APP
Number System 0.333 .... × 0.444 .... is equal to 0.148148148 .... 0.121212 .... 1.333 .... 0.777 .... 0.148148148 .... 0.121212 .... 1.333 .... 0.777 .... ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.148148148 ....
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 26 25 23 24 26 25 23 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System A man engaged a servant on the condition that he would pay him Rs.710 and a uniform after a year service. He served only for 8 months and got Rs.460 and a uniform. Find the price of the uniform? Rs.25 Rs.40 Rs.30 Rs.20 Rs.25 Rs.40 Rs.30 Rs.20 ANSWER DOWNLOAD EXAMIANS APP
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 47 44 46 45 47 44 46 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System The number of prime factors of (6)10×(7)17×(55)27 101 61 41 91 101 61 41 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
EXAMIANS