Number System 75% of 250 - ?% of 380 = 54.5 31 39 35 33 31 39 35 33 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 "COLLEGE" be arranged ? 1240 1300 1260 1280 1240 1300 1260 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System In how many different ways can be the letters of the word PENCIL be arranged among themselves ? 860 510 640 720 860 510 640 720 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total six letters are there and hence the number of arrangements = 6! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System 96% of a number is 19584. What is 56% of that number ? 11324 11524 11224 11424 11324 11524 11224 11424 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question.96% of x = 19584= x = 1958 x 100/96 = 20400∴ 56% of 20400= 20400 x 56/100= 11424
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 673 636 845 724 673 636 845 724 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 160 90 60 120 160 90 60 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
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