Practice Question and Answer
8Q: There is an empty reservoir whose capacity is 30 litres. There is an inlet pipe which fills at 5 L/min and there is an outlet pipe which empties at 4 L/min. Both the pipes function alternately for 1 minute. Assuming that the inlet pipe is the first one to function, how much time will it take for the reservoir to be filled up to its capacity? 11595 05b5cc77ae4d2b4197775013d
5b5cc77ae4d2b4197775013d- 149.5 minfalse
- 250 minfalse
- 351 mintrue
- 452 minfalse
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Answer : 3. "51 min"
Explanation :
Answer: C) 51 min Explanation: The work to be done = Capacity of reservoir = 30 litres. 1st Minute ---> inlet pipe opened ---> 5 lit filled 2nd minute ---> inlet pipe closed; outlet pipe opened ---> 4 lit emptied In 2 minutes (5 litres - 4 litres = 1lit) is filled into the reservoir. It takes 2 minutes to fill 1lit ---> it takes 50 minutes to fill 25 litres into the reservoir. In the 51st minute inlet pipe is opened and the reservoir is filled.
Q: Which will be the blank term in the following series?
h_eg_fegh_eghfe_
11594 05d25b4269d63ad4996c0a0eb
5d25b4269d63ad4996c0a0eb- 1gffhfalse
- 2hhggfalse
- 3ffghfalse
- 4fhfgtrue
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Answer : 4. "fhfg"
Q: संज्ञा शब्द 'नमक' से बना विशेषण है
11554 05e58ae5cc731373e79bcd009
5e58ae5cc731373e79bcd009- 1नमकीयfalse
- 2नमदाfalse
- 3नमकीनtrue
- 4नमकशीलfalse
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Answer : 3. "नमकीन "
Q:Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .
Man is the only animal who can talk.
11507 05d7b4ddd45d25422746e5699
5d7b4ddd45d25422746e5699- 1whichfalse
- 2whomfalse
- 3thattrue
- 4No improvementfalse
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Answer : 3. "that "
Q:Direction: In the following question, select the related letters from the given alternatives.
QDXM : SFYN :: UIOZ : ?
11499 05dc29c8adb44c174db56c7ed
5dc29c8adb44c174db56c7ed- 1WKPAtrue
- 2QNLAfalse
- 3LPWAfalse
- 4PAQMfalse
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Answer : 1. "WKPA"
Q: A man spends 1/4th of his income on food, 2/3rd of it on house rent and the remaining income which is Rs. 630 on other commodities. Find his house rent.
11498 25d69020dfb83f62138db7741
5d69020dfb83f62138db7741- 1Rs. 5040true
- 2Rs. 3520false
- 3Rs. 4890false
- 4Rs. 4458false
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Answer : 1. "Rs. 5040"
Q: The distance of the college and home of Rajeev is 80km. One day he was late by 1 hour than the normal time to leave for the college, so he increased his speed by 4km/h and thus he reached to college at the normal time. What is the changed (or increased) speed of Rajeev? 11493 05b5cc7d0e4d2b419777511fa
5b5cc7d0e4d2b419777511fa- 128 km/hfalse
- 230 km/hfalse
- 340 km/hfalse
- 420 km/htrue
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Answer : 4. "20 km/h"
Explanation :
Answer: D) 20 km/h Explanation: Let the normal speed be x km/h, then 80x-80(x+4)=1 ⇒x2+4x-320=0 ⇒x (x + 20) - 16 (x + 20) = 0 (x + 20 ) (x - 16) =0 x = 16 km/h Therefore (x + 4) = 20 km/h Therefore increased speed = 20 km/h
Q: Twenty students are standing in a straight-line facing North. Rina is standing sixth from the left end. There are only three students between Rina and Shweta. Radha is standing exactly between Shweta and Rina. Tina is standing sixth to the right of Radha. Anita is standing fourth from the right end of the line. There are more than four students between Rina and Tina.
How many people are standing between Anita and Tina?
11479 05d4bee849fa74d5c6dcae964
5d4bee849fa74d5c6dcae964How many people are standing between Anita and Tina?
- 1Onefalse
- 2Twotrue
- 3Threefalse
- 4Nonefalse
- 5More than threefalse
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