Mr. Ananthakrishna iyer and company borrowed Rs. 70000 from a cooperative bank and it amounted to Rs. 75712 in two years. If the interest is compounded annually, then find the rate of interest?
Answer: b) 4%
Let the rate of interest be r%
Mr. Rameshkumar sold an electronic item to Mr. Kiran Joshi at a profit of 45% and Kiran Joshi soldit to Manisha Thapar at a loss of 15%. What is the resultant profit or loss?
Anwer: b)profit 23.25%
Let the cost price of the item sold be Rs.100
Then Rameshkumar sold it to Kiran Joshi at Rs.145.
Kiran Joshi sold to Manisha Thapar at a loss of 15%
That is 145*85/100=23.25
So resultant profit is 23.25%.
Take these letters “REPSUOIV” as the letters of a word. In how many different ways can these letters be arranged in such a way that the vowels always come together?
The given letters of the word—-REPSUOIV
It contains 4 vowels – EUOI
Total letters of the word=8
No. of vowels=4
The vowels are to be as one letter, then total letters=4+1=5
Therefore number of ways=5! And vowels can be arranged in 4! Ways.
Therefore total number of ways=5!*4!=120*24=2880.
Jammu janatha leaves Bangalore for Jammu at 10 am running at the speed of 6 km per hour. Jammu Superfast leave Bangalore for jammu by the same route at 2 pm on the same day at the speed of 80 km per hour. At what time will the two will meet teach other?
a) 5.20 pm on the same day
b)6 pm on the same day
c)6 am next day
d)None of these
Answer: d) None of these
Both the trains, leave from the same station and are moving towards the same station.
Jammu Janatha speed=60 km per hour
Jammu superfast speed=80 km per hour
Relative speed=80-60=20 km per hour.
Jammu Janatha starts at 10 am and would have covered 60*4=240 km by the time jammu Superfast starts at 2 pm
Distance of 240 km will be covered by Jammu superfast in 240/20=12hours
So jammu Superfast will meet/cross jammu Janatha 12 hours after its departure
That is 2 pm on the next day.
Hence answer is d) None of these.
110,156,210,272,342,424—which number is odd man in this series.
Answer: d) 424
The series is 10^2+10, 12^2+12. 14^2+14…..
In that place it should be 20^2+20=420 and not 424.