Practice Question and Answer
8Q: The circumference of a circular base of Cylinder is 44 cm and its hight is 15 cm. Then the volume of the cylinder is? 2439 05b5cc6ade4d2b4197774d109
5b5cc6ade4d2b4197774d109- 12759 cub. cmfalse
- 22247 cub. cmfalse
- 32614 cub. cmfalse
- 42311 cub. cmtrue
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Answer : 4. "2311 cub. cm"
Explanation :
Answer: D) 2311 cub. cm Explanation: Given Circumference of a circular base of a cylinder = 44 cm We know that Circumference of a circle = 2πr = 44⇒r = 22π Now given the height of a cylinder h = 15 cm Volume of a cylinder V = πr2h = π22π215 = 22 x 22 x 153.14 = 2311 cm3.
Q: What is the smallest unit of power?
2439 06082a1dabfeec334bc895434
6082a1dabfeec334bc895434- 1Horsepowerfalse
- 2Megawattfalse
- 3Watttrue
- 4Kilowattfalse
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Answer : 3. "Watt"
Q: Who released the 4th cycle of All India Tiger Estimation 2018?
2439 05d51090be7b130573ee7009f
5d51090be7b130573ee7009f- 1Rajnath Singhfalse
- 2Narendra Moditrue
- 3Amit Shahfalse
- 4Ram Nath Kovindfalse
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Answer : 2. "Narendra Modi"
Q: Anurag can walk a certain distance in 52 days when he rest 10 hours a day, how long will he take for twice the distance, If he walks twice as fast and rests twice as long each day?
2438 05f06e472bc929f40b0b6015c
5f06e472bc929f40b0b6015c- 1160false
- 2182true
- 3170false
- 4180false
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Answer : 2. "182 "
Q: The Mahabharata, translated from Sanskrit to Persian in the Mughal period, is known as_______
2438 05f6c2da2884ff270def7dc2b
5f6c2da2884ff270def7dc2b- 1Tutinamafalse
- 2Shahnamafalse
- 3Rajnamatrue
- 4Badshahnamafalse
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Answer : 3. "Rajnama"
Q: If selling price is doubled, the profit triples. Find the profit percent ? 2438 05b5cc723e4d2b4197774f6af
5b5cc723e4d2b4197774f6af- 1100%true
- 2200%false
- 3300%false
- 4400%false
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Answer : 1. "100%"
Explanation :
Answer: A) 100% Explanation: Let the C.P be Rs.100 and S.P be Rs.x, Then The profit is (x-100)Now the S.P is doubled, then the new S.P is 2xNew profit is (2x-100)Now as per the given condition; => 3(x-100) = 2x-100By solving, we get x = 200Then the Profit percent = (200-100)/100 = 100Hence the profit percentage is 100%
Q: If ‘take a bath daily’ stands for ‘brush your teeth twice’, ‘bath keeps clean’ stands for ‘bring some twice’ and ‘some good habbit clean a water take’ stands for ‘please bring us free some your tea’. What does ‘keeps’ mean?
2438 05e6f39ea7981157db2bfa433
5e6f39ea7981157db2bfa433- 1sometrue
- 2brushfalse
- 3yourfalse
- 4teethfalse
- 5None of thesefalse
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Answer : 1. "some"
Q: In a race of 800m Kaushik gives Piyush a start of 200m and then loses the race by 20 seconds. What is the speed of Piyush and Kaushik respectively ? If the ratio of respective speeds be 3:2. 2438 05b5cc7d0e4d2b419777511f4
5b5cc7d0e4d2b419777511f4- Show AnswerHide Answer
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Answer :
Explanation :
Let the speed of Kaushik be Sk and speed of Piyush be Sp and let the time taken by Piyush be t second then, SkSp = 800t+20600t = 23since given ratio t = 20 s Speed of Piyush = Sp = 600/20 = 30 m/s and Speed of Kaushik = 800/40 = 20 m/s