Number System 4550 ÷ 25% of ? = 130 140 135 125 130 140 135 125 130 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 Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 373 353 343 363 373 353 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System 3√103823 = ? 52 47 41 44 52 47 41 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
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 ? 21 years 18 years 25 years 15 years 21 years 18 years 25 years 15 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 The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? None of these 36 54 14 None of these 36 54 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 24 30 Cannot be determined 20 24 30 Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
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