Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 141.587 142.587 140.587 143.587 141.587 142.587 140.587 143.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 25.84 27.84 24.84 21.84 25.84 27.84 24.84 21.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 2 3 4 1 2 3 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System (4 86%of 6500) ÷ 36 =? 877.5 677.5 977.5 777.5 877.5 677.5 977.5 777.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System 75% of 250 - ?% of 380 = 54.5 35 33 31 39 35 33 31 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 22 20 21 23 22 20 21 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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