Practice Question and Answer
8 Q: How much parts of the pits, which are 48 meters long, 16.5 meters wide and 4 meters deep, can be filled in the soil, which is obtained by cylindrical tunnel of 4 meters diameter and 56 meters long?
1778 05f4df6cd82369c1d6113def5
5f4df6cd82369c1d6113def5- 1$$ {1\over 9}$$false
- 2$$ {2\over 9}$$true
- 3$$ {7\over 9}$$false
- 4$$ {8\over 9}$$false
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Answer : 2. "$$ {2\over 9}$$"
Q: A train travelling at 48 km/hr crosses an another train half of its length and travelling in opposite direction at 42 km/hr in 12 seconds. It also passes a railway platform in 45 seconds. The length of the railway platform Is
1778 060b60d5b3065e2501934e805
60b60d5b3065e2501934e805- 1200 mfalse
- 2300 mfalse
- 3350 mfalse
- 4400 mtrue
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Answer : 4. "400 m"
Q: Indian Railways has signed an MoU with which organization to set up video surveillance at more than 6000 stations?
1778 05ef9571e7915c011dc5c63c5
5ef9571e7915c011dc5c63c5- 1RailTeltrue
- 2Airtelfalse
- 3Vodafonefalse
- 4Jiofalse
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Answer : 1. "RailTel"
Q: If a , b , c are in AP and x , y and z are in GP , then $${x^{b-c}.{y^{c-a}.z^{a-b}=?}}$$
1778 0600a8ce5baeda263c3c8874c
600a8ce5baeda263c3c8874c- 10false
- 2a + b + cfalse
- 31true
- 4xyzfalse
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Answer : 3. "1 "
Q: Which of the following diseases is not caused by VIRUS? 1778 05b5cc7a2e4d2b419777505ed
5b5cc7a2e4d2b419777505ed- 1Chicken Poxfalse
- 2Denguefalse
- 3Choleratrue
- 4Poliofalse
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Answer : 3. "Cholera"
Explanation :
Answer: C) Cholera Explanation:
Q: A shopkeeper gives 12 percent additional discount along with a discount of 20 percent on the marked price of a radio. If the selling price of the radio is ₹ 704, the marked price is
1778 05f17ecb9582605560c6bec59
5f17ecb9582605560c6bec59- 1₹ 1,044.80false
- 2₹ 1,000true
- 3₹ 844.80false
- 4₹ 929.28false
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Answer : 2. "₹ 1,000"
Q: If 6th March, 2005 is Monday, what was the day of the week on 6th March, 2004?
1778 05feee64b1f464d740159f1fa
5feee64b1f464d740159f1fa- 1Wednesdayfalse
- 2Saturdayfalse
- 3Tuesdayfalse
- 4Sundaytrue
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Answer : 4. "Sunday"
Q: Milk and water are mixed in a vessel A as 4:1 and in vessel B as 3:2. For vessel C, if one takes equal quantities from A and B, find the ratio of milk to water in C. 1778 05b5cc6c7e4d2b4197774dec8
5b5cc6c7e4d2b4197774dec8- 11:9false
- 29:1false
- 33:7false
- 47:3true
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Answer : 4. "7:3"
Explanation :
Answer: D) 7:3 Explanation: Ratio of Milk and water in a vessel A is 4 : 1 Ratio of Milk and water in a vessel B is 3 : 2 Ratio of only milk in vessel A = 4 : 5 Ratio of only milk in vessel B = 3 : 5 Let 'x' be the quantity of milk in vessel C Now as equal quantities are taken out from both vessels A & B => 4/5 : 3/5 x 3/5-x x - 4/5 => 35-xx-45 = 11 (equal quantities) => x = 7/10 Therefore, quantity of milk in vessel C = 7 => Water quantity = 10 - 7 = 3 Hence the ratio of milk & water in vessel 3 is 7 : 3