Number System 8988 / 8 / 4 = ? 561.75 280.875 2247 4494 561.75 280.875 2247 4494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8988 * 1/8 * 1/4 = 2247/8 = 280.875
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 97 94 91 86 97 94 91 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System A bag contains four red, six black and seven green balls. Three balls are drawn randomly. What is the probability that the balls drawn contain exactly two red balls ? 45/340 51/340 39/340 58/340 45/340 51/340 39/340 58/340 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total balls = 4 + 6 + 7 = 17∴ n(S) = 17C1 = 680Two red balls can be selected from four red balls in 4C2 = 6 ways.and the third ball can be selected from the remaining 13 balls in 13C1 = 13 ways.∴ P (E) = 13x6/680 = 39/340
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 30.52 29.81 28.56 27.54 30.52 29.81 28.56 27.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 9 13 15 11 9 13 15 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
EXAMIANS