Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 64, 16 62, 18 65, 15 60, 20 64, 16 62, 18 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 55 None of these 120 30 55 None of these 120 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the value of ? in the following equations ? 72/? = ?/50 60 80 100 40 60 80 100 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 72 x 50= (6 x 6 x 2) x (5 x 5 x 2)= (6 x 5 x 2)² = (60)²∴ ? = 60
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. 1,000 Rs. 800 Rs. 600 Rs. 1,200 Rs. 1,000 Rs. 800 Rs. 600 Rs. 1,200 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 In how many different ways can the letters of the word FORMULATE be arranged ? 392880 372880 362880 382880 392880 372880 362880 382880 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of letters = 9! = 9*8*7*6*5*4*3*2*1 = 362880
Number System 64% of 2650+40% 0f 320=? 1824 2096 1578 1247 1824 2096 1578 1247 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
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