Number System In a division sum, the quotient is 120, the divisor 456 and the remainder 333, find the dividend? 55053 5553 50553 56053 55053 5553 50553 56053 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 120 * 456 + 333 = 55053
Number System The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 13 15 12 14 13 15 12 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
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 None of these 30 40 20 None of these 30 40 ANSWER DOWNLOAD EXAMIANS APP
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for CAT BED BAT CAR CAT BED BAT CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 24 22 18 28 24 22 18 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 660 556 515 720 660 556 515 720 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
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