Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 11 7 3 5 11 7 3 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System 2/11 of 3/7 of 8/13 of 12012 = ? 449 321 241 576 449 321 241 576 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 2 x 3 x 8 x 12012/11 x 7 x 13 = 576
Number System Find the greatest number which leaves the same remainder when it divides 25, 57 and 105. 18 12 16 8 18 12 16 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 105 - 57 = 4857 - 25 = 32105 - 25 = 80The H.C.F of 32, 48 and 80 is 16.
Number System 64% of 2650+40% 0f 320=? 1578 1247 1824 2096 1578 1247 1824 2096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 83/77 77/73 73/77 93/77 83/77 77/73 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 1224 987 820 525 1224 987 820 525 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224
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