Number System 106 * 106 - 94 * 94 = ? 1906 2400 2000 1904 1906 2400 2000 1904 ANSWER DOWNLOAD EXAMIANS APP
Number System 4550 ÷ 25% of ? = 130 130 140 135 125 130 140 135 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System The difference between 72% of a number and 49% of the same number is 575. What is 9% of that number ? 295 275 245 225 295 275 245 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x.Therefore, 72% of x - 49% of x = 575Therefore, (72 - 49)% of x = 575Therefore, 9% of x = 575/23 x 9 = 225
Number System √360 - 225 x 2 + 379 = ? 19 20 17 18 19 20 17 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √360 - 225 x 2 + 379 = √360 - 450 + 379 = √289= 17
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 21.84 25.84 27.84 24.84 21.84 25.84 27.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 21 84 24 42 21 84 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
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