Number System If a number is subtracted from its square we get 272. Find the number? 22 14 24 17 22 14 24 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 – x = 272 => x =17
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. 79 Rs. 62 Rs. 74 Rs. 68 Rs. 79 Rs. 62 Rs. 74 Rs. 68 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 (12)² - (4.4)² - (0.04)² = ? 129.6384 124.6384 131.6384 125.6384 129.6384 124.6384 131.6384 125.6384 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (12)² - (4.4)² - (0.04)²= 144 - 19.36 - 0.0016= 124.64 - 0.0016= 124.6384
Number System If HKUJ means FISH, what does UVCD mean ? STAR STAM STAK STAB STAR STAM STAK STAB ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 7 5 11 3 7 5 11 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 204 222 234 210 204 222 234 210 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
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