Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 14 16 10 12 14 16 10 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System What is the sum of all even numbers from 1 to 701? 122550 122850 122500 123850 122550 122850 122500 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 3 7 9 5 3 7 9 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 77 75 78 76 77 75 78 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System 3√103820 x 3√274620 = ? 3045 3065 3055 3035 3045 3065 3055 3035 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3√103820 = 47 and 3√274620 = 65 ∴ ? = 47 x 65 = 3055
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. 1,000 Rs. 1,200 Rs. 600 Rs. 800 Rs. 1,000 Rs. 1,200 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
EXAMIANS