Number System (444 x 44 x 4) ÷ 40 ? 1953.6 2153.6 2053.6 1853.6 1953.6 2153.6 2053.6 1853.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number. 50 75 25 12.5 50 75 25 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ x + y = 12 ...........(i)10x + y - (10x + x) = 18or 10x + y - 10y - x = 18or 9x - 9y = 18∴ x - y = 2From (i) and (ii), x = 7, y = 5∴ Number = 75
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 61480 63480 62480 60480 61480 63480 62480 60480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System A gardener wants to plant trees in his garden in such a way that the number of trees in each row should be the same. If there are 4 rows or 5 rows or 6 rows, then no tree will be left. Find the least 30 60 120 240 30 60 120 240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The least number of trees that are required = LCM(4, 5, 6) = 60.
Number System The Twenty-First Century will start on January 1 in the year 2101 2100 2000 2001 2101 2100 2000 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 34 65 23 78 34 65 23 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
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