Number System √9216 + √15376 = ? 224 231 227 220 224 231 227 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
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 19 years 20 years 17 years 18 years 19 years 20 years 17 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: 30 27 22 24 30 27 22 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 27
Number System What is 432 times 119 ? 53408 51408 50408 52408 53408 51408 50408 52408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
Number System 56.21 +2.36+5.41 —21.4+1.5=? 54.08 44.08 34.08 64.08 54.08 44.08 34.08 64.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System If 70% of an equal to 40% of b, then ratio between a and b is? None 7: 4 4: 7 7: 11 None 7: 4 4: 7 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
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