Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 26 28 29 30 26 28 29 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System 5358 * 51 = ? 273258 273358 273268 273348 273258 273358 273268 273348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 8 6 3.5 None of these 8 6 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System 93296 - 45874 + 20382 - 56817 = ? 109877 109887 109867 109857 109877 109887 109867 109857 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
Number System 75% of 250 - ?% of 380 = 54.5 33 39 35 31 33 39 35 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 3√68921 = ? 21 51 41 31 21 51 41 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√68921= 3√41 x 41 x 41= 41
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