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 ? 5/9 6/9 4/9 3/9 5/9 6/9 4/9 3/9 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 If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 4 7: 11 None 4: 7 7: 4 7: 11 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 14.44 12.24 13.34 15.54 14.44 12.24 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System What is 50% of 40% of Rs. 3,450? 630 670 690 640 630 670 690 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1) N(N + 1)/2 N2 N2 + 1 N(N + 1) N(N + 1)/2 N2 N2 + 1 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of all the numbers between 300 and 1000 which are divisible by 179? 2607 2527 2517 2506 2607 2527 2517 2506 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 358/179 ….. 895/179179(2 + 3 + 4 + 5) => 2506
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