Number System What number should replace both the question marks (?) in the following question ? 83 85 82 84 83 85 82 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 6 5 10 4 6 5 10 4 ANSWER DOWNLOAD EXAMIANS APP
Number System 148 x 3.75 x 4 = 111 x ? 17 19 20 24 17 19 20 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 13849 12849 11849 14849 13849 12849 11849 14849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 120 260 60 180 120 260 60 180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 30 31 28 29 30 31 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31