Number System What is the least number, which is perfect square but contains 2700 as its factor? 2700 10800 1800 5400 2700 10800 1800 5400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 510 640 720 860 510 640 720 860 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System 666 / 6 / 3 = ? 111 333 37 84 111 333 37 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 666 * 1/6 * 1/3 = 37
Number System 16.23 x 12.9 + 17.32 = ? 246.687 226.687 None of these 236.687 246.687 226.687 None of these 236.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 39 49 59 69 39 49 59 69 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
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 ? 145214 145714 145914 145314 145214 145714 145914 145314 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Population of the town= 168480 x 115/100 x 75/100= 145314
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