Number System 4550 ÷ 25% of ? = 130 140 130 135 125 140 130 135 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 30.52 27.54 28.56 29.81 30.52 27.54 28.56 29.81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 12 21 18 28 12 21 18 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System The sum of the present age of a father and a son is 60 years. Five years before, the age of the father was four times that of son. What is the present age of the son ? 15 years 21 years 18 years 25 years 15 years 21 years 18 years 25 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the father's age be x and son's age yTherefore, x + y = 60 ....................(i)Five years back, (x - 5) = 4 (y - 5)x - 4y = - 15 ......................(2)Solving (1) and (2), x = 45 and y = 15
Number System 7589 - ? = 3434 4155 11023 1123 4242 4155 11023 1123 4242 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 21 23 22 20 21 23 22 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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