Number System A number when, 28 subtracted from it reduces to its one third. What is the value of 50% of that number? 84 42 21 24 84 42 21 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/3 x = 28 => x = 4242 * 1/2 = 21
Number System 4550 ÷ 25% of ? = 130 130 140 135 125 130 140 135 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 9 2 7 3 9 2 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System What is the difference between the local value of 7 and 5 in the number 2574? 430 403 570 413 430 403 570 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 3/9 6/9 5/9 4/9 3/9 6/9 5/9 4/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 384 388 386 391 384 388 386 391 ANSWER DOWNLOAD EXAMIANS APP