Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 81 82 83 84 81 82 83 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
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. 74 Rs. 68 Rs. 62 Rs. 79 Rs. 74 Rs. 68 Rs. 62 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 A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 18 16 15 17 18 16 15 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System If one third of 3/4 of a number is 21. Then find the number? 63 840 84 630 63 840 84 630 ANSWER DOWNLOAD EXAMIANS APP
Number System The Twenty-First Century will start on January 1 in the year 2101 2001 2100 2000 2101 2001 2100 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System What is the remainder when 263251 is divided by 9? 6 3 1 8 6 3 1 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.
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