Number System 20% of the total number of students in a school play football. How many students do not play football if the total number of students in the school is 7600 ? 6000 5976 6080 5800 6000 5976 6080 5800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 35 39 32 40 35 39 32 ANSWER DOWNLOAD EXAMIANS APP
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 712 625 920 824 712 625 920 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System What number should replace both the question marks (?) in the following question ? 84 85 82 83 84 85 82 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 75 35 91 89 75 35 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 64 88 75 54 64 88 75 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
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