Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 81 83 84 82 81 83 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 2000 Rs. 4000 Rs. 5000 Rs. 3000 Rs. 2000 Rs. 4000 Rs. 5000 Rs. 3000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System What number should replace both the question marks (?) in the following question ? 83 84 82 85 83 84 82 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 12 28 18 21 12 28 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 666 444 555 333 666 444 555 333 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 9/13 6/13 7/13 8/13 9/13 6/13 7/13 8/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
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