Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 353 363 343 373 353 363 343 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System 432+2170+35=? 523 494 678 729 523 494 678 729 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 13 15 11 17 13 15 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
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 15 years 25 years 21 years 18 years 15 years 25 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 Supply the missing figure : 2, 6, 12, 20, 30 ... 56 42 41 39 40 42 41 39 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 54.08 44.08 34.08 64.08 54.08 44.08 34.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
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