Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 353 363 373 343 353 363 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 1/3 7/9 5/4 11/13 1/3 7/9 5/4 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System 7.8% of 12.5 + 2.5% of 161 = ? 2 5 9 12 2 5 9 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 60 56 58 54 60 56 58 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP One girl can be chosen in 4C1 = 4 ways and 4 boys can be chosen in 6C4 = 15 ways ∴ Total number of ways = 4 x 15 = 60 ways.
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 23 22 20 21 23 22 20 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 12 60 7 8 12 60 7 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
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