Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2367 2520 2410 2678 2367 2520 2410 2678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1120 1160 1140 1180 1120 1160 1140 1180 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference of the two digits of the number ? 1 2 4 3 1 2 4 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (10x + y) - (10y + x) = 36,9(x - y) = 36/9 = 4
Number System What is the sum of all even numbers from 1 to 701? 123850 122850 122500 122550 123850 122850 122500 122550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 77/73 83/77 73/77 93/77 77/73 83/77 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 650 850 550 750 650 850 550 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
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