Number System 1089/? = ?/1296 1082 1278 1348 1188 1082 1278 1348 1188 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 1089 x 1296(?)²= (11 x 11 x 9) x (12 x 12 x 9)(?)= 11 x 12 x 9= 1188
Number System √9216 + √15376 = ? 231 220 227 224 231 220 227 224 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 75 77 76 78 75 77 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System What least number shall be added to 4700 to make it a perfect square ? 81 91 61 71 81 91 61 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System The square root of 0.0081 is: 0.9 0.009 0.91 0.09 0.9 0.009 0.91 0.09 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 162 168 164 170 162 168 164 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
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