Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 10 8 9 11 10 8 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.1 45 42.6 54.7 42.1 45 42.6 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 5358 * 51 = ? 273348 273358 273268 273258 273348 273358 273268 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 46 44 45 47 46 44 45 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
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 145214 145914 145314 145714 145214 145914 145314 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 19 1 15 7 19 1 15 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
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