Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 114 88 96 102 114 88 96 102 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System A trader sells 40 metres of cloth for Rs 8,200 at a profit of Rs 25 per metre of cloth. How much profit will the trader earn on 40 metres of cloth ? Rs. 800 Rs. 1,200 Rs. 1,000 Rs. 600 Rs. 800 Rs. 1,200 Rs. 1,000 Rs. 600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP S.P. per metre = 8200/40 = Rs. 205∴ C.P. per metre = Rs. (205 - 25) = Rs. 180∴ C.P. of 40 metre cloth= Rs. (40 x 180) = Rs. 7200∴ Gain = Rs. (8200 - 7200) = Rs. 1000
Number System 16.23 x 12.9 + 17.32 = ? 236.687 246.687 226.687 None of these 236.687 246.687 226.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 44 47 45 46 44 47 45 46 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 70983 43983 43893 43883 70983 43983 43893 43883 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? Data inadequate 1/25 1/5 2/5 Data inadequate 1/25 1/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
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