Number System A number exceeds by 25 from its 3/8 part. Then the number is? 32 35 39 40 32 35 39 40 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all even numbers from 1 to 701? 122850 122550 122500 123850 122850 122550 122500 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 245 232 220 225 245 232 220 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System 432+2170+35=? 523 494 678 729 523 494 678 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 25 54 35 45 25 54 35 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
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 ? 58/340 45/340 51/340 39/340 58/340 45/340 51/340 39/340 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
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