Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 1054 Rs. 926 Rs. 986 Rs. 945 Rs. 1054 Rs. 926 Rs. 986 Rs. 945 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System 75% of 250 - ?% of 380 = 54.5 35 33 39 31 35 33 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 Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 30 18 36 27 30 18 36 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System By how much is 3/5th of 875 greater than 2/3 of 333? 303 233 362 199 303 233 362 199 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
Number System How many numbers up to 100 and 300 are divisible by 11? 20 22 18 21 20 22 18 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1092 1200 1082 1192 1092 1200 1082 1192 ANSWER DOWNLOAD EXAMIANS APP
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