Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 78 75 77 76 78 75 77 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3360 2360 3260 6460 3360 2360 3260 6460 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
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? 15 14 13 12 15 14 13 12 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 In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 5336 6890 9865 2568 5336 6890 9865 2568 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System 480% of 350 + 620% of 275 = ? 4385 2385 5385 3385 4385 2385 5385 3385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 32 39 40 35 32 39 40 ANSWER DOWNLOAD EXAMIANS APP
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