Number System In how many different ways can the letters of the word FORMULATE be arranged ? 372880 362880 392880 382880 372880 362880 392880 382880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number? 160 140 240 180 160 140 240 180 ANSWER DOWNLOAD EXAMIANS APP
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 2 9 6 5 2 9 6 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 15 17 13 11 15 17 13 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 What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 100 None of these 90 110 100 None of these 90 110 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 20 0 13 12 20 0 13 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
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