Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 78 76 77 75 78 76 77 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 ?125÷5x ?=6265 153 1253 124 1452 153 1253 124 1452 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 28 12 18 21 28 12 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System (164 x 175) x ? = 258300 2 5 11 9 2 5 11 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System The simplest form of 1.5 : 2.5 is : 13 : 11 17 : 19 3 : 5 5 : 7 13 : 11 17 : 19 3 : 5 5 : 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ? 40 38 37 39 40 38 37 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ 10x + y - (10y + x) = 27or 9x - 9y = 27∴ x - y = 3 .......(I)x + y = 13 .......(II)From eqn (I) and (II)x = 8 and y = 5.So the number = 85Therefore, product = 8 x 5 = 40
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