Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.784 8.484 8.684 8.584 8.784 8.484 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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 ? 37 39 40 38 37 39 40 38 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
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 10 5 6 4 10 5 6 4 ANSWER DOWNLOAD EXAMIANS APP
Number System 65% of 320+?=686 480 478 481 479 480 478 481 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System 1827÷ 36 x ?=162.4 4.3 1.9 2.6 3.2 4.3 1.9 2.6 3.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System √343 = ? 18 21 19 20 18 21 19 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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