Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 27.84 21.84 25.84 24.84 27.84 21.84 25.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System 75% of 250 - ?% of 380 = 54.5 33 35 31 39 33 35 31 39 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 If one third of 3/4 of a number is 21. Then find the number? 630 63 840 84 630 63 840 84 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 187 207 219 197 187 207 219 197 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System (444 x 44 x 4) ÷ 40 ? 2053.6 1953.6 1853.6 2153.6 2053.6 1953.6 1853.6 2153.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System What is the sum of all even numbers from 1 to 701? 122850 122500 122550 123850 122850 122500 122550 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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