Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 91 75 89 35 91 75 89 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The square root of 0.0081 is: 0.9 0.91 0.09 0.009 0.9 0.91 0.09 0.009 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 2 1 4 0 2 1 4 0 ANSWER DOWNLOAD EXAMIANS APP
Number System 3√68921 = ? 41 51 31 21 41 51 31 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
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 20 years 17 years 18 years 19 years 20 years 17 years 18 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 A certain number of two digits is three times the sum of its digits. If 45 be added to it, the digits are reversed. The number is: 27 24 22 30 27 24 22 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
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