Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 76 77 78 75 76 77 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 141.587 143.587 140.587 142.587 141.587 143.587 140.587 142.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 817/1020 9 719/1020 9 817/1020 7 719/1020 7 817/1020 9 719/1020 9 817/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System Find the smallest number which when divided by 13 and 16 leaves respective remainders of 2 and 5. 219 207 197 187 219 207 197 187 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 'N' is the smallest number which divided by 13 and 16 leaves respective remainders of 2 and 5.Required number = (LCM of 13 and 16) - (common difference of divisors and remainders) = (208) - (11) = 197.
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 750 725 775 640 750 725 775 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System What is 25/2% of 482 times of 183 ? 12025.50 12025.75 11050.75 11025.75 12025.50 12025.75 11050.75 11025.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
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