Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 4 2 1 0 4 2 1 0 ANSWER DOWNLOAD EXAMIANS APP
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 41 42 40 39 41 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System 35 + 15 * 1.5 = ? 5.25 51.5 57.5 75 5.25 51.5 57.5 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 162 245 141 188 162 245 141 188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 7 3 11 5 7 3 11 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 Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 22 1/2 45 30 40 22 1/2 45 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
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