Numan does 4/ 5 half the work as Gagan in time. If together they take 16 days to complete a piece of work, then how long will Gagan take to complete the work?
AmanGagan Work-½1 1:2 Time4:5 Efficiency-¼2/5 5:8 Total efficiency =5+8=13 Total Work=16×13 Gagan takes time complete work = (16×13)/8 =26days
The value of a motor cycle 2 years ago was ₹ 70,000. It depreciates at the rate of 4% p.a. Find its present value.
Find the G.C.D. of the following:
35x5 y3 z4, 49x² yz3, 14xy2 z²
A competitive exam paper has 100 questions for which 1 mark will be awarded for each correct answer and 1/2 mark will be deducted for every wrong answe...
A can do a piece of work in 20 days and B can do it in 30 days. How long will they take to do the work together?
From the given options, select the alphanumeric group which will come in place of the question mark (?) in the following series.
30, 5M, 8K, 131, ?
The speed of motorboat in still water is 34 km/hr. It takes 6 hours to go 120 km upstream. Find the time taken by the motorboat to return the same dista...
If Karkuzhali earns ₹ 1,800 in 15 days, then she earns ₹3,000 in ___________days.
10 lakh candidates write the TNPSC Exam this year. If each exam centre is allotted with 1000 candidates. How many exam centres would be needed?
If a/b = 3/5, b/c = 4/7 then a:b:c is
Find the greatest number which when divide 120,133 & 152 leave remainder 3, 7 & 8 respectively?
