Number System √343 = ? 21 20 18 19 21 20 18 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 650 550 850 750 650 550 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 45 54.7 42.1 42.6 45 54.7 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ? 19 years 17 years 18 years 20 years 19 years 17 years 18 years 20 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the age of the son be x and the age of the father be y.Therefore, x + y = 65 ..........(i)or, 2 x (x + 5) = (y + 5)or, 2x + 10 = y + 5or, 2x - y = 5 ...................(ii)From equations (i) and (ii), x = 20, y = 45
Number System The sum of the digits of a two digit number is 12. If the new number formed by reversing the digits is greater than the original number by 54, then what will be the original number? 69 39 59 49 69 39 59 49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39
Number System Complete the series : 11, 12, 17, 18, 23, 24 ... 14 30 None of these 12 14 30 None of these 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP None of these
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