Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2105 5243 2345 2435 2105 5243 2345 2435 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number. 50 47 49 48 50 47 49 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the digits be x and yTherefore, x + y = 12 .............(1)(10y + x) - (10x + y) Therefore, y - x = 4............. (2)Solving (1) and (2), y = 8 Therefore, x = 4There are two possible numbers 48 and 84. So the lowest no. is 48.
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 60480 61480 63480 62480 60480 61480 63480 62480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 169 170 171 168 169 170 171 168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
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? 10 6 9 8 10 6 9 8 ANSWER DOWNLOAD EXAMIANS APP
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 3/5 4/5 1/5 2/5 3/5 4/5 1/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
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