Number System 7432 ÷ 32 x ? = 2787 78 21 41 12 78 21 41 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7432/32 x ? = 2787= ? = 2787 x 32/7432 = 12
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 N(N + 1)/2 N(N + 1) N2 + 1 N2 N(N + 1)/2 N(N + 1) N2 + 1 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the least number, which is perfect square but contains 2700 as its factor? 10800 5400 2700 1800 10800 5400 2700 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 25 45 54 35 25 45 54 35 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 The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the b 28 years 31 years 30 years 29 years 28 years 31 years 30 years 29 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Age of the fourth boy = (26 x 7 - 3 x 19 - 3 x 32) years = (182 - 57 - 96) years = 29 years
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 74 110 85 93 74 110 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
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