let A does the work in 40 mins (given)
let B does the work in x mins
amt of work done by A in 1 min = 1/40
amt of work done by B in 1 min = 1/x
amt of work done jointly by both A & B = 1/24
which implies (1/40)+(1/x) = (1/24)
on solvin the above eqn. for x we get
x = 60
A person was fined for exceeding the speed limit by 10mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was traveling at a speed of 35 mph, find the speed limit?
A 0 0 0 0 1 1 1 1B 0 0 1 1 0 0 1 1C 0 1 0 1 0 1 0 1Find ( A u B ) n C
What is the probability that 4 numbers selected from 1 to 40 are not consecutive?
a 100100011b 000110010c 100000110then find a-(buc) or au(b-c)?
TCS Quantitative Aptitude Questions
A plane moves from 9ËšN40ËšE to 9ËšN40ËšW. If the plane starts at 10 am and takes 8 hours to reach the destination, find the local arrival time?
The number 362 in decimal system is given by (1362)x in the X system of numbers find the value of Xa} 5 b) 6 c) 7 d) 8 e) 9
A ship started from port and moving with I mph and another ship started from L and moving with H mph. At which place these two ships meet ?ans is between I and J and close to J!_____!_____!_____!_____!_____!_____!
What is the largest prime no. stored in 8bit/6bit/9bit/7bit memory?2. A,B,C are the mechanisms used separately to reduce the wastage of fuel by 25%,20%,10%. What will be fuel economy if they were used combine?
A bus started from bus stand at 8.00am, and after 30 minutes staying at destination, it returned back to the bus stand. The destination is 27 miles from the bus stand. The speed of the bus is 18mph. In return journey bus travels with 50% fast speed. At what time it returns to the bus stand?
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