Practice Question and Answer
8Q: Mohan travelled 5 km. in the West, then he turned to the left & went 3 km. Then he turned to the left & went 3 km. Then he turned to the right & travelled 9 km. Then he went 3 km. towards the North. How far is he from the starting point? 3263 15bdffff5c1927812d6e1a017
5bdffff5c1927812d6e1a017- 15 km.false
- 23 km.false
- 36 km.false
- 414 km.true
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Answer : 4. "14 km."
Q: At what time between 3 and 4 o’clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ? 3263 05b5cc75ee4d2b4197774fcee
5b5cc75ee4d2b4197774fcee- 13:15 2/8false
- 23:49false
- 33:49 1/11true
- 43:51false
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Answer : 3. "3:49 1/11"
Explanation :
Answer: C) 3:49 1/11 Explanation: On straight line means 180 degree angle.180 = 11/2 min – 30 hrs180 = 11/2 m – 30 × 3180 = 11/2 m – 90(180 + 90) 2 = 11 mm = 540/11 = 49 1/11 minutes.
Q: A table in a relational database terminology is synonymous with __.
3262 05fc8b291d0af4c56f5ec782c
5fc8b291d0af4c56f5ec782c- 1a valuefalse
- 2a rowfalse
- 3an attributefalse
- 4a columnfalse
- 5a relationtrue
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Answer : 5. "a relation "
Q: Which of the following outstanding contribution in Physics is associated with the Scientist Newton?
3262 05e96f85996d1a23053ea2c57
5e96f85996d1a23053ea2c57- 1Discovery of Calculusfalse
- 2Laws of Motionfalse
- 3Universal gravitational lawfalse
- 4All of the abovetrue
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Answer : 4. "All of the above "
Q: A trader sold an article at profit of 20%. Had he bought that article at 60% less price and sold it at Rs 90 less, then he would have gained 50%. What is the value (in Rs) of cost price?
3262 05efd52047228dd6b06e2c9a3
5efd52047228dd6b06e2c9a3- 1250false
- 2300false
- 3150true
- 4200false
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Answer : 3. "150 "
Q: A supplier supplies cartridges to a news paper publishing house. He earns a profit of 25% by selling cartridges for Rs. 1540. Find the cost price of the Cartridges ? 3262 05b5cc741e4d2b4197774f9a9
5b5cc741e4d2b4197774f9a9- 1Rs. 1100false
- 2Rs. 1793.4false
- 3Rs. 1440false
- 4Rs. 1232true
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Answer : 4. "Rs. 1232"
Explanation :
Answer: D) Rs. 1232 Explanation: Let Cost Price(C.P) = Pgain% = {(S.P-C.P)/C.P} x 10025 = {(1540-P)/P} x 10025/100 = (1540-P)/P=> P = 4(1540)-4P=> 5P = 4(1540)=> P = 1232So, Cost Price = Rs. 1232
Q: Sony is one-fifth the age of her mother 15 years ago and Sony’s brother is three-fifth the age of his mother 10 years ago. If the sum of Sony and her brother’s ages is 31 then how old is Sony's mother ? 3262 05b5cc745e4d2b4197774fa04
5b5cc745e4d2b4197774fa04- 140false
- 250true
- 360false
- 470false
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Answer : 2. "50"
Explanation :
Answer: B) 50 Explanation: Sony and her brother's age sum is 31Let Sony's mother's age be 'x'.Now the conditions given for both of their ages related to their mom is1/5(x-15) + 3/5(x-10) = 31x-15 + 3x-30 = 1554x-45 = 1554x = 200x = 50So, Mother's age = 50. Cross verification : 15 years ago age = 35 => Sony age = 710 years ago age = 40 => bro age = 24 Sum = 24 + 7 = 31.
Q: Which tag is used to display the numbered list? 3262 05b5cc694e4d2b4197774c4a7
5b5cc694e4d2b4197774c4a7- 1Type:1true
- 2Type:Afalse
- 3Type:afalse
- 4Type:Ifalse
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Answer : 1. "Type:1"
Explanation :
Answer: A) Type:1 Explanation: