Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 42.6 54.7 42.1 45 42.6 54.7 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 15 12 13 14 15 12 13 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
Number System (4 86%of 6500) ÷ 36 =? 777.5 977.5 677.5 877.5 777.5 977.5 677.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 16 10 14 12 16 10 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System What is the sum of all the prime numbers from 20 to 40? 120 119 118 117 120 119 118 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
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 ? 40160 10160 20160 30160 40160 10160 20160 30160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
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