Number System What is 432 times 119 ? 51408 52408 53408 50408 51408 52408 53408 50408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 44 88 40 80 44 88 40 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 74 73 76 75 74 73 76 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 6 5 9 2 6 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System Simplify the 121 * 175 + 363 * 275 None of these 316600 363000 328100 None of these 316600 363000 328100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System What is the difference between the local values of 3 in the number 53403? 3030 0 3003 2997 3030 0 3003 2997 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
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