Number System A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? Rs. 74 Rs. 68 Rs. 62 Rs. 79 Rs. 74 Rs. 68 Rs. 62 Rs. 79 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5 = 4.5 + 8.5 + 22 + 18 + 15 = Rs 68
Number System 5525 ÷ 17 = √? 112225 93025 105625 99225 112225 93025 105625 99225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System 84 * 29 + 365 = ? - 2071 2801 - 2801 2436 - 2071 2801 - 2801 2436 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 None of these 20 40 30 None of these 20 40 ANSWER DOWNLOAD EXAMIANS APP
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 6 9 10 8 6 9 10 8 ANSWER DOWNLOAD EXAMIANS APP
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 56 52 48 36 56 52 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
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