Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 65 61 67 75 65 61 67 75 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 30 26 28 29 30 26 28 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 62480 60480 61480 63480 62480 60480 61480 63480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System 16.23 x 12.9 + 17.32 = ? 246.687 236.687 226.687 None of these 246.687 236.687 226.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 7/32 12/35 35/8 1/35 7/32 12/35 35/8 1/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 640 725 775 750 640 725 775 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
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