Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 817/1020 9 817/1020 9 719/1020 7 719/1020 7 817/1020 9 817/1020 9 719/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System If one third of 3/4 of a number is 21. Then find the number? 630 84 63 840 630 84 63 840 ANSWER DOWNLOAD EXAMIANS APP
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 550 850 650 750 550 850 650 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System What number should replace both the question marks (?) in the following question ? 85 83 84 82 85 83 84 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System How many words can be made using the letters of the word "BHAG WADGITA" if all the vowels come together and all the consonants come together ? 20160 10160 40160 30160 20160 10160 40160 30160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 81 18 42 24 81 18 42 24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
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