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- Question
An enterprising businessman earns an income of Re. 1 on the first day of his business. On every subsequent day, he earns an income which is just double of that made on the previous day. One the 10th day of business, his income is
Options- A. Rs. 29
- B. Rs. 210
- C. Rs. 10
- D. Rs. 102
- Correct Answer
- Rs. 29
ExplanationIncome on the first day = Re. 1.Income on the 2nd day = Rs. (1x2) = Rs. 21.
Income on the 3rd day = Rs. (21 x 2) = Rs. 22 and so on. Thus, Income on the rath day = Rs. 2n-1.
Therefore Income on the 10th day = Rs. 29.
More questions
- 1. NA
Options- A. Author
- B. Novelist
- C. Poet
- D. Publisher Discuss
Correct Answer: Publisher
Explanation:
Except the 'Publisher' , all other are related to 'literature' .
- 2. Who is to the immediate left of R?
Options- A. P
- B. H
- C. W
- D. T Discuss
Correct Answer: T
Explanation:
T
- 3. NA
Options- A. Cup
- B. Jug
- C. Basket
- D. Plate Discuss
Correct Answer: Plate
Explanation:
All others can be filled up.
- 4. 25 : 625 : : 35 :?
Options- A. 1575
- B. 1205
- C. 875
- D. 635 Discuss
Correct Answer: 635
Explanation:
As, 25 is common in both 25 and 625 and 6 is added.
Similarly, 35 is common in both 35 and 635 and 6 added.- 5. NA
Options- A. Kanpur
- B. Lucknow
- C. Lahore
- D. Patna Discuss
Correct Answer: Lahore
Explanation:
All other are Indian cities.
- 6. Cricket : Pitch : Wrestling :?
Options- A. Rink
- B. Wrestler
- C. Ground
- D. Arena Discuss
Correct Answer: Arena
Explanation:
Second is the playing place of first.
- 7. Eagle : Swoops :: Duck :?
Options- A. waddles
- B. floats
- C. swims
- D. flits Discuss
Correct Answer: waddles
Explanation:
Eagle's drive is known as swoops or fly Duck will waddles.
- 8. Who plays football?
Options- A. Ambrish
- B. Amit
- C. Rohit
- D. Manu Discuss
Correct Answer: Rohit
Explanation:
Based on the matrix, (c) is the right answer.
- 9. Find the odd word.
Options- A. Puppet
- B. Documentary
- C. Animation
- D. Commentary Discuss
Correct Answer: Commentary
Explanation:
'Commentary' is the description of all other shows.
- 10. Find the odd word.
Options- A. Orange
- B. Apple
- C. Guava
- D. Grapes Discuss
Correct Answer: Grapes
Explanation:
Only Grapes grow in bunches and so it is odd one among others.
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