the minimum of (2x+1)**2 + (x+2) is at x =
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A man brought a house for Rs. 5lakhs and rents it. he puts 12 1/2% of each month's rent aside for repairs, pays Rs.1660 as annual taxes and realizes 10% on his investment thereafter. the monthly rent of the house is : a) Rs.2460 b)Rs.2500 c)Rs.4920 d)Rs.5000
In your opinion, what is the most beautiful math equation ever derived?
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10) On planet korba, a solar blast has melted the ice caps on its equator. 9 years after the ice melts, tiny planetoids called echina start growing on the rocks. Echina grows in the form of circle, and the relationship between the diameter of this circle and the age of echina is given by the formula d = 4*√ (t-9) for t ≥ 9 Where d represents the diameter in mm and t the number of years since the solar blast. Jagan recorded the radius of some echina at a particular spot as 7mm. How many years back did the solar blast occur? a) 17 b) 21.25 c) 12.25 d) 12.06 Ans: b
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: A horse chases a pony 3 hours after the pony runs. Horse takes 4 hours to reach the pony. If the average speed of the horse is 35 kmph, what s the average speed of the pony?
19.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that a^b is a perfect square? (a^b=a to the power of b) a)1/3 b)2/3 c)23/36 d)11/18 ans: 20.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that (a × b) is a perfect square? a)5/36 b) 2/9 c) 7/36 d) 1/6
a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?
Only boys aged 16 wear coats. Boys aged 15 go to watch football.some more statements are given. What can be said about those who are watching football ? (age and costume).
1) In a club there are certain no. of males and females. If 15 females are absent then no. of males will be twice that of females. If 45 males are absent then female strength will be 5 times that of males. Find no. of males actually present.
G(0)=-1, G(1)=1, G(N)=G(N-1) - G(N-2), G(5)= ?
A tiffin box manufacturer reduces the price of his school kids' tiffin from Rs.30/- to Rs.28/- per tiffin and the price of regular tiffin from Rs.24/- to Rs.23/- per tiffin. A caterer normally spends Rs.1440/- a month for tiffin and 3/4 of this is for regular tiffin. How much will they save a month under the new prices?