Number System On converting the following base-2 numeral in base ten, 1101101, we get 106 107 108 109 106 107 108 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System If the L.C.M of two numbers is 750 and their product is 18750, find the H.C.F of the numbers. 50 30 125 25 50 30 125 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP H.C.F = (Product of the numbers) / (Their L.C.M) = 18750/750 = 25.
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 4 6 2 None 4 6 2 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
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 29 years 28 years 30 years 31 years 29 years 28 years 30 years 31 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 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? 23 34 65 78 23 34 65 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 66 years 67 years 68 years 69 years 66 years 67 years 68 years 69 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
EXAMIANS