Practice Question and Answer
8Q: What will come in place of the question mark (?) in the following number series? 5, 7, ?, 25, 45, 75 1535 05b5cc6cae4d2b4197774dfc0
5b5cc6cae4d2b4197774dfc0- 111false
- 213true
- 315false
- 419false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "13"
Explanation :
Answer: B) 13 Explanation: The series given follow the pattern +2, +2+4, +2+4+6, +2+4+6+8, +2+4+6+8+10,... Here ? = 7 + 2 + 4 = 13.
Q: In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture ? 1156 05b5cc6c9e4d2b4197774dfbb
5b5cc6c9e4d2b4197774dfbb- 138 litfalse
- 296 litfalse
- 348 littrue
- 452 litfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "48 lit"
Explanation :
Answer: C) 48 lit Explanation: Let the amount of juice and water in original mixture '4x' litre and '3x' litre respectively. According to given data, 4x/3x+6 =8/7 28x=24x+48 28x–24x=48 4x = 48 x = 12 Amount of juice = 4x = 4×12 = 48 litre.
Q: Solve the Number Puzzle ? 1302 05b5cc6c9e4d2b4197774dfb6
5b5cc6c9e4d2b4197774dfb6- 120false
- 224false
- 326true
- 430false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "26"
Explanation :
Answer: C) 26 Explanation: Here the puzzle follows the logic that Right side number = sum of the number on the left side and the previous number on the left side => 6 = 4+2 => 10 = 6+4 => ? = 16+10 = 26.
Q: which of the following represents a set of properties that guarantee that database transactions are processed reliably in computer science ? 991 05b5cc6c9e4d2b4197774dfb1
5b5cc6c9e4d2b4197774dfb1- 1Buffer Cachefalse
- 2ACIDtrue
- 3Foreign Keyfalse
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "ACID"
Explanation :
Answer: B) ACID Explanation: ACID means (Atomicity, Consistency, Isolation, Durability) is a set of properties of database transactions intended to guarantee validity even in the event of errors, power failures, etc. In the context of databases, a sequence of database operations that satisfies the ACID properties and, thus, can be perceived as single logical operation on the data, is called a transaction. For example, a transfer of funds from one bank account to another, even involving multiple changes such as debiting one account and crediting another, is a single transaction.
Q: On selling 17 balls at Rs.720 there is a loss equal to the cost price of 5 balls. Then what is the cost price of a ball is ? 1195 05b5cc6c9e4d2b4197774dfb0
5b5cc6c9e4d2b4197774dfb0- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
From given data, (C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls) C.P. of 12 balls = S.P. of 17 balls = Rs.720. Hence, C.P. of 1 ball = Rs.720/12 = Rs. 60.
Q: At an examination in which maximum marks are 500. K got 10% less than L, L got 25% more than M and M got 20% less than N. If K got 360 marks what percentage of marks was obtained by N ? 1561 05b5cc6c9e4d2b4197774dfab
5b5cc6c9e4d2b4197774dfab- 180true
- 287false
- 378false
- 476false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "80"
Explanation :
Answer: A) 80 Explanation: Let marks obtained by N = x M's marks = 0.80x L's marks = 1.25 (0.80x) K's marks = (0.90) (1.25) (0.80x) = 0.9x But 0.9x = 360 ⇒ x = 400 Percentage of Marks obtained by N = 400 x 100/500 = 80%
Q: What is the name of the Indian Coast Guard Ship which has been decommissioned by the Indian navy recently ? 921 05b5cc6c9e4d2b4197774dfa6
5b5cc6c9e4d2b4197774dfa6- 1Sarathifalse
- 2Shauryafalse
- 3Varunatrue
- 4Ayushfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Varuna"
Explanation :
Answer: C) Varuna Explanation:
Q: What is the capital of Bhutan ? 1437 05b5cc6c9e4d2b4197774dfa1
5b5cc6c9e4d2b4197774dfa1- 1Dhakafalse
- 2Thimphutrue
- 3Tripolifalse
- 4Tokyofalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Thimphu"
Explanation :
Answer: B) Thimphu Explanation: