Number System 4550 ÷ 25% of ? = 130 125 140 130 135 125 140 130 135 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 75% of 250 - ?% of 380 = 54.5 31 33 35 39 31 33 35 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 13800 12900 15400 14400 13800 12900 15400 14400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 252 344 388 296 252 344 388 296 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 501.49 491.49 521.49 511.49 501.49 491.49 521.49 511.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 76 77 78 75 76 77 78 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
EXAMIANS