Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 11849 12849 13849 14849 11849 12849 13849 14849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 18 30 27 36 18 30 27 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 11 5 0 3 11 5 0 3 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 382 343 396 378 382 343 396 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System The population of a town increases by 15% in the first year and decreases by 25% in the second year. If its current population is 168480 then what will be its population after two years ? 145714 145314 145914 145214 145714 145314 145914 145214 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
Number System √360 - 225 x 2 + 379 = ? 20 17 19 18 20 17 19 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
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