Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 83/77 73/77 77/73 93/77 83/77 73/77 77/73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 15 12 16 10 15 12 16 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
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 In how many different ways can the letters of word "SENTENCE" be arranged ? 6460 2360 3360 3260 6460 2360 3360 3260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 21, 26 30, 25 20, 25 15, 20 21, 26 30, 25 20, 25 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.784 8.484 8.584 8.684 8.784 8.484 8.584 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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