IIT JEE Practice Question and Answer
8Q: 9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days ? 9306 05b5cc6e5e4d2b4197774ed33
5b5cc6e5e4d2b4197774ed33- 115 daysfalse
- 211 daysfalse
- 314 daysfalse
- 412 daystrue
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Answer : 4. "12 days"
Explanation :
Answer: D) 12 days Explanation: 9M + 12B ----- 12 days ...........(1)12M + 12B ------- 10 days........(2)10M + 10B -------?108M + 144B = 120M +120B24B = 12M => 1M = 2B............(3) From (1) & (3) 18B + 12B = 30B ---- 12 days 20B + 10B = 30B -----? => 12 days.
Q: Ajay and Vijay have some marbles with them. Ajay told Vijay "if you give me 'x' marbles, both of us will have equal number of marbles". Vijay then told Ajay "if you give me twice as many marbles, I will have 30 more marbles than you would". Find 'x' ? 9301 05b5cc6e1e4d2b4197774ebcf
5b5cc6e1e4d2b4197774ebcf- 14false
- 210false
- 38false
- 45true
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Answer : 4. "5"
Explanation :
Answer: D) 5 Explanation: If Vijay gives 'x' marbles to Ajay then Vijay and Ajay would have V - x and A + x marbles.V - x = A + x --- (1)If Ajay gives 2x marbles to Vijay then Ajay and Vijay would have A - 2x and V + 2x marbles.V + 2x - (A - 2x) = 30 => V - A + 4x = 30 --- (2)From (1) we have V - A = 2xSubstituting V - A = 2x in (2)6x = 30 => x = 5.
Q: In a pot, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk, the pot would be full and ratio of milk and water would become 6 : 5. Find the capacity of the pot ? 9296 05b5cc6d6e4d2b4197774e66f
5b5cc6d6e4d2b4197774e66f- 111 litfalse
- 222 littrue
- 333 litfalse
- 444 litfalse
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Answer : 2. "22 lit"
Explanation :
Answer: B) 22 lit Explanation: Let the capacity of the pot be 'P' litres.Quantity of milk in the mixture before adding milk = 4/9 (P - 8)After adding milk, quantity of milk in the mixture = 6/11 P.6P/11 - 8 = 4/9(P - 8)10P = 792 - 352 => P = 44. The capacity of the pot is 44 liters.
Q: Which of the following is a function of inventory? 9290 05b5cc696e4d2b4197774c560
5b5cc696e4d2b4197774c560- 1to take advantage of quantity discountsfalse
- 2to decouple various parts of the production processfalse
- 3to provide a selection of goods for anticipated customer demand and to separate the firm from fluctuations in that demandfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: All the above given statements are functions of Inventory. Inventory or stock is the goods and materials that a business holds for the ultimate goal of resale. Inventory management is a discipline primarily about specifying the shape and placement of stocked goods. The primary function of inventory is to use marketing and production to increase profitability, to get the maximum amount for the business' investment. There are other functions of inventory, such as balancing supply and demand, improving efficiency, establishing a safety stock and geographical specialization.
Q: How is Radha's mother's mother's daughter-in-law's daughter related to Radha? 9278 05b5cc66de4d2b4197774bfca
5b5cc66de4d2b4197774bfca- 1Sister-in-lawtrue
- 2Sisterfalse
- 3Neicefalse
- 4Auntfalse
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Answer : 1. "Sister-in-law"
Explanation :
Answer: A) Sister-in-law Explanation: Radha ----> Radha's mother ------> Mother's mother => Radha's Grand-mother. Radha's Grand-mother's daughter-in-law ------> Radha's Aunt -----> Radha's Aunt's daughter => Radha's sister-in-law.
Q: The agricultural revolution led to the need for organized 9246 05b5cc619e4d2b4197774b719
5b5cc619e4d2b4197774b719- 1greenhouse gas reformfalse
- 2governmenttrue
- 3pest controlfalse
- 4technological reformfalse
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Answer : 2. "government"
Explanation :
Answer: B) government Explanation: The Agricultural Revolution led to the need for more organized civilizations and societies i,e government.
Q: Find the wrong number in the given number series? 10, 21, 54, 109, 189 9148 05b5cc607e4d2b4197774b553
5b5cc607e4d2b4197774b553- 1189true
- 2109false
- 354false
- 421false
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Answer : 1. "189"
Explanation :
Answer: A) 189 Explanation: The given number series is 10, 21, 54, 109, 189 The series follows a pattern that 10 + 11 = 21 21 + 33 = 54 54 + 55 = 109 109 + 77 = 186 Hence the wrong number in the given number series is 189.
Q: How long are professional Golf Tour Players allotted per shot? 9020 05b5cc6bae4d2b4197774d7d0
5b5cc6bae4d2b4197774d7d0- 122 secondsfalse
- 236 secondsfalse
- 341 secondsfalse
- 445 secondstrue
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Answer : 4. "45 seconds"
Explanation :
Answer: D) 45 seconds Explanation: Professional Golf Tour Players were allotted 45 seconds per shot.