Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 4 4: 7 7: 11 None 7: 4 4: 7 7: 11 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 660 515 556 720 660 515 556 720 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 Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 10, 5 12, 9 12, 7 11, 6 10, 5 12, 9 12, 7 11, 6 ANSWER DOWNLOAD EXAMIANS APP
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 11 15 17 13 11 15 17 13 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 The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 20 40 30 None of these 20 40 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System On converting the following base-2 numeral in base ten, 1101101, we get 108 107 109 106 108 107 109 106 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
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