Number System What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? 8881 8882 8884 8888 8881 8882 8884 8888 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Series is (No. + 9²) x 2, (+8²) x 2, (+7²) x 2, (+6²) x 2.......
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 225 232 245 220 225 232 245 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 692 678 689 652 692 678 689 652 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System 4550 ÷ 25% of ? = 130 125 130 135 140 125 130 135 140 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 If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 3/5 12/25 13/25 6/7 3/5 12/25 13/25 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
Number System √343 = ? 21 19 20 18 21 19 20 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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