Number System What is 432 times 119 ? 50408 52408 53408 51408 50408 52408 53408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 252 344 296 388 252 344 296 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 15 13 17 11 15 13 17 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 556 660 720 515 556 660 720 515 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System Three seventh of a number is 12 more than 40% of that number. What will be the 60% of that number? 248 148 126 210 248 148 126 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/7 x – 40/100 x = 12x = 35 * 1235 * 12 * 60/100 = 252/2 = 126
Number System The Twenty-First Century will start on January 1 in the year 2101 2001 2000 2100 2101 2001 2000 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
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