Number System What number should replace both the question marks (?) in the following question ? 84 85 82 83 84 85 82 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 18 22 28 24 18 22 28 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System 1260 x 1.45 - 888 x 1.75 = ? 295 367 273 256 295 367 273 256 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System ind the number, difference between number and its 3/5 is 50 125 123 120 124 125 123 120 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 977 987 967 897 977 987 967 897 ANSWER DOWNLOAD EXAMIANS APP
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 88 44 40 80 88 44 40 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
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