Number System The digit in unit's place of a three digit number is thrice the digit in ten's place & the digit in hundred's place is two-third of the digit in ten's place. If the sum of three digits of number is 14 239 221 211 215 239 221 211 215 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x.∴ Unit's digit = 3xHundered's digit = 2x/3∴ x + 3x + 2x/3 = 14= 3x + 9x + 2x = 14 x 3= 14x = 14 x 3= x = 3∴ Number = 239
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 33 35 29 37 33 35 29 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System 148 x 3.75 x 4 = 111 x ? 24 17 19 20 24 17 19 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 817/1020 9 719/1020 7 719/1020 9 817/1020 7 817/1020 9 719/1020 7 719/1020 9 817/1020 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 16.23 x 12.9 + 17.32 = ? 236.687 None of these 246.687 226.687 236.687 None of these 246.687 226.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System Let R = qs—4. When s=8, R=16. When s=10, R is equal to 20 23 21 22 20 23 21 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
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