Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 7 5 11 3 7 5 11 3 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 (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 28.56 30.52 27.54 29.81 28.56 30.52 27.54 29.81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System 5525 ÷ 17 = √? 93025 99225 112225 105625 93025 99225 112225 105625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 91 89 75 35 91 89 75 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System What is the difference between the local values of 3 in the number 53403? 3030 3003 0 2997 3030 3003 0 2997 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System (4300731) - ? = 2535618 1765113 1865113 1675123 1775123 1765113 1865113 1675123 1775123 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
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