Number System If the difference between a number and its three fifths is 62, what is the number ? 155 175 165 145 155 175 165 145 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6000 5976 6080 5800 6000 5976 6080 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System (95.6x 910.3) ÷ 92.56256 = 9? 12.24 14.44 13.34 15.54 12.24 14.44 13.34 15.54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 8 11 10 9 8 11 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 11 15 13 17 11 15 13 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 If the difference between a number and its three-fourth is 18, find the number. 57 61 68 72 57 61 68 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
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