Number System Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ? 425 525 625 325 425 525 625 325 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 625
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 ? 18 years 17 years 19 years 20 years 18 years 17 years 19 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 If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 91 97 94 86 91 97 94 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Which one of the following numbers is exactly divisible by 11? 415624 245642 315624 235641 415624 245642 315624 235641 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System The square root of 0.0081 is: 0.91 0.009 0.09 0.9 0.91 0.009 0.09 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 9865 6890 2568 5336 9865 6890 2568 5336 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
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