Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 977 987 967 897 977 987 967 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 986 Rs. 945 Rs. 1054 Rs. 926 Rs. 986 Rs. 945 Rs. 1054 Rs. 926 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 6, 9 7, 8 9, 6 10, 5 6, 9 7, 8 9, 6 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 14 13 12 15 14 13 12 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
Number System What number should replace both the question marks (?) in the following question ? 84 82 83 85 84 82 83 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
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