Number System {3√4913}² = ? 289 333 225 121 289 333 225 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System What is the sum of all the prime numbers from 20 to 40? 117 120 119 118 117 120 119 118 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System What is the difference between the local values of 3 in the number 53403? 2997 3030 0 3003 2997 3030 0 3003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System How many figures are required to number the pages the pages of a book containing 365 pages? 897 967 987 977 897 967 987 977 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 1054 Rs. 986 Rs. 926 Rs. 945 Rs. 1054 Rs. 986 Rs. 926 Rs. 945 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 660 556 720 515 660 556 720 515 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
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