Number System What should come in the place of question mark (?) in the number series given below? 157 160 158 159 157 160 158 159 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 160
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 If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 77/73 93/77 73/77 83/77 77/73 93/77 73/77 83/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
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 30160 40160 10160 20160 30160 40160 10160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
Number System What is the sum of all the composite numbers up to 20? 128 130 131 132 128 130 131 132 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 89 35 91 75 89 35 91 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
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