Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: 12/5 25/144 144/25 5/12 12/5 25/144 144/25 5/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,2/3 x = 25/216 * 1/xx2 = 25/216 * 3/2 = 25/144 x = 5/12
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. 600 Rs. 800 Rs. 1,200 Rs. 1,000 Rs. 600 Rs. 800 Rs. 1,200 Rs. 1,000 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 Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 10, 5 6, 9 7, 8 9, 6 10, 5 6, 9 7, 8 9, 6 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 29 35 37 33 29 35 37 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 35 33 36 34 35 33 36 34 ANSWER DOWNLOAD EXAMIANS APP
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 ? 245 220 225 232 245 220 225 232 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
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