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- Question
From a container of wine, a thief has stolen 15 liters of wine and replaced it with same quantity of water.He again repeated the same process. Thus in three attempts the ratio of wine and water became 343:169. The initial amount of wine in the container was:
Options- A. 75 liters
- B. 100 liters
- C. 150 liters
- D. 120 liters
- Correct Answer
- 120 liters
ExplanationIt means
Thus ,
=> K = 120
Thus the initial amount of wine was 120 liters.
- 1. All the boys are sitting together.
Options- A. 3/42
- B. 41/42
- C. 3/35
- D. 1/42 Discuss
- 2. Find the SP when CP is ? 40 and gain is 25%.
Options- A. ? 50
- B. ? 45
- C. ? 60
- D. ? 49 Discuss
- 3. The cost price of an article is C and the selling price of the same article is S, where Z is the profit or loss percentage. If the CP and SP both are increased by same amount then which of the following is true :
Options- A. Z increases
- B. Z decreases
- C. remains constant
- D. none of these Discuss
- 4. Which number is 60% less than 80?
Options- A. 48
- B. 42
- C. 32
- D. 12 Discuss
- 5. ?. ? 500x + ? 402 = 0
?. ? 360y + ( 200 ) 1/2 = 0
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 6. A sum money becomes (8/5) of itself in 5 years at a certain rate of interest . The rate percent per annum is?
Options- A. 5%
- B. 8%
- C. 10%
- D. 12% Discuss
- 7. A certain sum of money at simple interest amounts to Rs. 1012 in 2 1/ 2 years and to Rs. 1067.20 in 4 years. The rate of interest per annum is?
Options- A. 2.5%
- B. 3%
- C. 4%
- D. 5% Discuss
- 8. In how many years will a sum of money double itself at 12% per annum?
Options- A. 6 years 9 months
- B. 8 years 4 months
- C. 7 years 6 months
- D. 8 years 6 months Discuss
- 9. The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is?
Options- A. Rs. 4800
- B. Rs. 6000
- C. Rs. 8000
- D. Data inadequate Discuss
- 10. 6888.009 - 487.999 - 87.989 =?
Options- A. 6000
- B. 6570
- C. 6430
- D. 6310 Discuss
More questions
Correct Answer: 1/42
Explanation:
Required probability = 6!5!/10! = 1/42
Correct Answer: ? 50
Explanation:
SP = 125% of CP [? SP = {(100 + Gain%)/100} x CP]
= {125/100} x 40
= (5/4) x 40 = 5 x 10 = ? 50
Correct Answer: Z decreases
Explanation:
The profit = SP - CP
If SP and CP both increase at same amount then the profit would be same.
As we know profit % (Z) = Actual profit / CP
So if CP increases the profit % (Z) will go down as there is no change in actual profit.
Correct Answer: 32
Explanation:
Required number = 80 - 60% of 80
= 80 - (60 x 80)/100
= 32
Correct Answer: 3
Explanation:
As per the given above equations , we can say that
?.
?500x + ?402 = 0
? ?500x = - ?402
? x = - ?( 402/500 ) = - ?( 400/500 ) = - 0.9
?. ?360y + ( 200 )1/2 = 0
? ?360y = - ?200
?
y = - ?( 200 / 360 ) = - 0.74
Clearly, we can see that x < y is required answer .
Correct Answer: 12%
Explanation:
Let sum = Rs. P.
Then amount = Rs. (8P/5)
? S.I = Rs. (8P/5 - P ) = Rs.(3P/5)
? Required rate = (100 x SI) / (P x T)
= [(100 x 3P/5) / (P x 5)]% = 12%
Correct Answer: 4%
Explanation:
? S.I. for 3/2 years = Rs. (1067.20 - 1012) = Rs. 55.20
? S.I. for 5/2 years = Rs. 55.20 x (2/3) x (5/2) = 92
? Sum = Rs. (1012 - 92) = Rs.920
Hence, Rate = (100 x SI)/(P x T) = (100 x 92) / (920 x 5/2 ) = 4%
Correct Answer: 8 years 4 months
Explanation:
Let principal = P.
Then, S.I = P,
Rate (R) = 12%
Time = (100 x SI) / (R x P) = (100 x P) / (P x 12) years
= 25/3 years
= 8 years 4 months
Correct Answer: Data inadequate
Explanation:
Let, Sum = P
Then S.I = P/2
Rate = 8%
and Time = 6 years
But P/2 = (P x 8 x 6) /100 (Not possible )
Thus, data is inadequate.
Correct Answer: 6310
Explanation:
? = 6888.009 - 487.999 - 87.989
? ? ? 6888 - 488 - 88
? ? ? 6888 - 576 ? ? ? 6312 ? 6310
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