Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 5000 Rs. 3000 Rs. 4000 Rs. 2000 Rs. 5000 Rs. 3000 Rs. 4000 Rs. 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
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 ? 5800 6080 6000 5976 5800 6080 6000 5976 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 20% of 7600 = 1520Therefore, students who do not play football = 7600 - 1520 = 6080
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 36 39 38 37 36 39 38 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System What number should replace both the question marks (?) in the following question ? 85 84 82 83 85 84 82 83 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 378 396 382 343 378 396 382 343 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System 36% of 850+? % of 592 = 750 75 50 25 12.5 75 50 25 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
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