Number System 4550 ÷ 25% of ? = 130 125 140 135 130 125 140 135 130 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 should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 39 37 36 38 39 37 36 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System What number should replace both the question marks (?) in the following question ? 83 82 85 84 83 82 85 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System The peresent age of the father and the son are in the ratio of 8:3. After 12 years the ratio of their ages will be 2:1. What is the sum of the present age of the father and the son ? 68 years 69 years 66 years 67 years 68 years 69 years 66 years 67 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of the father be 'x' and that of the son be 'y'. Then x/y = 8/3∴ 3x = 8y Further, x + 12/y + 12 = 2/1 ∴ x + 12 = 2y + 24 ∴ x - 2y = 12 ......(ii)From eqn (i) and (ii), x = 48, y = 18 ∴ sum = 66 yrs.
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 14400 13800 15400 12900 14400 13800 15400 12900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System 450% of a number is 4725. What is 82% of that number ? 841 851 871 861 841 851 871 861 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 450/100 = 4725= x = 4725 x 100/450 = 1050∴ 82% of 1050 = 1050 x 82/100= 861
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