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ATQ, Time taken by ‘Armaan’ alone to complete the whole task= 1.40 × 60 = 84 days Time taken by ‘Tara’ alone to complete the whole task = 1.75 × 60 = 105 days Total task = 420 units (LCM of 60, 84 and 105) Efficiency of ‘Armaan’ = 420/84 = 5 units per day Efficiency of ‘Tara’ = 420/105 = 4 units per day Efficiency of ‘Zara’ = 420/60 = 7 units per day Task completed by ‘Armaan’, ‘Tara’ and ‘Zara’ together in 3 days = 5 + 5 + 16 = 26 units Task done by Armaan, Tara and Zara together in 48 days = 16 × 26 = 416 units Remaining 4 units Task will be completed by Armaan alone in 4/5 days Hence required time = 48 + (4/5) = 48.8 days or 49 days
Which of the following agroecological zone contain red and lateritic soils
Which one is used to make a metallic tape?
Select the correct sequence of organs in the alimentary canal of insects, starting from mouth-
(A). Ileum
(B). Oesophagous
(C). Cro...
Most adopted training system in India for grapevines is
Invisible drought occurs when
High salt tolerant crops are
(A) Dhaincha
(B) Sugarbeet
(C) Cotton
(D) Barley
Choose the most appropriate answer from the options given below:
Who proposed law of minimum?
Urban agriculture contributes to ........................?
Which of the following fodder crops is known for its gum-producing properties?
Which state is the highest producer of soyabean?