Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2875 2675 None of these 2725 2875 2675 None of these 2725 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 170 171 168 169 170 171 168 169 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 1 3 4 2 1 3 4 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their square is: 12 160 28 180 12 160 28 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, x + y = 20 and x - y = 8x2 - y2 = (x + y)(x - y) = 20 * 8 = 160.
Number System 480% of 350 + 620% of 275 = ? 4385 2385 3385 5385 4385 2385 3385 5385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System What least number should be added to 8602 to make it a perfect square ? 47 36 51 41 47 36 51 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
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