Number System The number of prime factors of (6)10×(7)17×(55)27 41 101 61 91 41 101 61 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System A man engaged a servant on the condition that he would pay him Rs.900 and a uniform after one year service. He served only for 9 months and received uniform and Rs.650, find the price of the uniform? Rs.85 Rs.90 Rs.100 Rs.80 Rs.85 Rs.90 Rs.100 Rs.80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9/12 = 3/4 * 900 = 675 650 ------------- 251/4 -------- 251 --------- ? => Rs.100
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 5183 8795 6782 7745 5183 8795 6782 7745 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System A box contains 5 red, 4 black and 4 blue balls. If 3 balls are drawn randomly from the box, what is the probability that there are exactly 2 blue balls in the three drawn balls ? 29/145 28/144 27/143 30/146 29/145 28/144 27/143 30/146 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 5 + 4 + 4 = 13∴ n(S) = 13C3 = 2862 blue balls can be selected from 4 balls in 4C2 = 6 ways and the remaining one ball is to be selected from 9 balls in 9C1 = 9 ways ∴ n(E) = 6 x 9∴ P(E) = 6 x 9/286 = 27/143
Number System 1827÷ 36 x ?=162.4 3.2 2.6 4.3 1.9 3.2 2.6 4.3 1.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 12 21 18 28 12 21 18 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
EXAMIANS