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 30160 20160 40160 10160 30160 20160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of words = l2 l4 l7 / l3 l2 = 20160
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 4/5 3/10 3/5 5/4 4/5 3/10 3/5 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 673 636 724 845 673 636 724 845 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System ?125÷5x ?=6265 1253 1452 153 124 1253 1452 153 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1082 1092 1200 1192 1082 1092 1200 1192 ANSWER DOWNLOAD EXAMIANS APP
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