Number System What is the least number that should be added to 5200 to make it a perfect square ? 225 275 129 288 225 275 129 288 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 432+2170+35=? 494 523 729 678 494 523 729 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 10 6 4 5 10 6 4 ANSWER DOWNLOAD EXAMIANS APP
Number System The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 18 13 7 15 18 13 7 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 32 39 40 35 32 39 40 ANSWER DOWNLOAD EXAMIANS APP
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 363 343 373 353 363 343 373 353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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