Number System The difference between a number and its three-fifth is 50. What is the number? 75 None of these 100 125 75 None of these 100 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 54 56 58 60 54 56 58 60 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 What should come in the place of question mark (?) in the number series given below? 157 159 160 158 157 159 160 158 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 30 None of these 40 20 30 None of these 40 20 ANSWER DOWNLOAD EXAMIANS APP
Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 521.49 501.49 491.49 511.49 521.49 501.49 491.49 511.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System If A = 1, B = 3, C = 5 and so on, what do the numbers 3, 9, 7 stand for BAT BED CAT CAR BAT BED CAT CAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP BED
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