Number System What will be the next number in the following number series ? 177 182 191 162 177 182 191 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System Twenty times a positive integer is less than its square by 96. What is the integer? 20 Cannot be determined 24 30 20 Cannot be determined 24 30 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many ways can 5 boys be chosen from 6 boys and 4 girls so as to include exactly one girl ? 56 54 58 60 56 54 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 ?125÷5x ?=6265 153 124 1253 1452 153 124 1253 1452 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System If three eighth of a number is 141. What will be the approximately value of 32.08% of this number? 90 160 60 120 90 160 60 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/8 = 141 => x= 376376 * 32.08/100 = 120
Number System Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 485 480 490 495 485 480 490 495 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
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