Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 103 99 101 97 103 99 101 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 11 15 9 13 11 15 9 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System What is the least number, which is perfect square but contains 2700 as its factor? 1800 10800 5400 2700 1800 10800 5400 2700 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 900 * 3 * 3 = 8100
Number System 93296 - 45874 + 20382 - 56817 = ? 109857 109887 109877 109867 109857 109887 109877 109867 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System 75% of 250 - ?% of 380 = 54.5 33 35 39 31 33 35 39 31 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 Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 65, 15 64, 16 62, 18 60, 20 65, 15 64, 16 62, 18 ANSWER DOWNLOAD EXAMIANS APP
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