Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 164 162 170 168 164 162 170 168 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
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1260 1280 1240 1300 1260 1280 1240 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System 7.8 x 4.5 x 4.2/0.14 = ? 1032 1012 1053 1087 1032 1012 1053 1087 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 4.5 x 4.2/0.14 = 1053
Number System What is the least number that should be added to 5200 to make it a perfect square ? 225 288 129 275 225 288 129 275 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 1260 x 1.45 - 888 x 1.75 = ? 295 367 273 256 295 367 273 256 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1260 x 1.45 - 888 x 1.75= 1827 - 1554 = 273
Number System If the difference between a number and its three fifths is 62, what is the number ? 155 145 165 175 155 145 165 175 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
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