Number System What is the difference between the local values of 3 in the number 53403? 3030 0 3003 2997 3030 0 3003 2997 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
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 ? 39/340 58/340 45/340 51/340 39/340 58/340 45/340 51/340 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 3√68921 = ? 51 31 21 41 51 31 21 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
Number System 64% of 2650+40% 0f 320=? 1824 2096 1247 1578 1824 2096 1247 1578 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System (12)² - (4.4)² - (0.04)² = ? 125.6384 131.6384 129.6384 124.6384 125.6384 131.6384 129.6384 124.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System (4 86%of 6500) ÷ 36 =? 777.5 877.5 677.5 977.5 777.5 877.5 677.5 977.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
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