Discussion
Home ‣ Aptitude ‣ Logarithm See What Others Are Saying!
- Question
- If log 2 = 0.3010, then the number of digits in 2 64 is?
Options- A. 18
- B. 19
- C. 20
- D. 21
- Correct Answer
- 20
ExplanationRequired answer = [64 log10 2] + 1
= [ 64 x 0.3010 ] + 1
= 19.264 + 1
= 19 + 1
= 20 - 1. Choose the odd word/letters/number/number pair from the given alternatives.
Options- A. MPS
- B. WZC
- C. FHJ
- D. ADG Discuss
- 2. The Shopkeeper increased the price of a product by 25% so that customer finds it difficult to purchase the required amount. But somehow the customer managed to purchase only 70% of the required amount. What is the net difference in the expenditure on that product?
Options- A. 10% more
- B. 5% more
- C. 12.5% more
- D. 17.5% more Discuss
- 3. A merchant marked cloth at Rs. 50/metre . He offers 2 successive discounts of 15% and 20%. The net price/metre is
Options- A. Rs. 32.50
- B. Rs. 42.50
- C. Rs. 34.00
- D. Rs. 40.00 Discuss
- 4. A man gains 15% by selling a calculator for a certain price. If he sells it at the triple the price, then what will be the profit percentage?
Options- A. 125
- B. 175
- C. 225
- D. 245 Discuss
- 5. Choose the odd word/letters/number/number pair from the given alternatives.
Options- A. 165
- B. 792
- C. 852
- D. 671 Discuss
- 6. A number X is mistakenly divided by 10 instead of being multiplied by 10. What is the percentage error in the result?
Options- A. -99%
- B. +99%
- C. -100%
- D. +100% Discuss
- 7. A fair six-sided die is rolled twice. What is the probability of getting 4 on the first roll and not getting 6 on the second roll ?
Options- A. 1/36
- B. 5/36
- C. 1/12
- D. 1/9 Discuss
- 8. A person sold his pen for Rs 24 and his profit percentage was numerically equal to the cost price. What was the cost price (in Rs) of the pen?
Options- A. 12
- B. 14
- C. 16
- D. 20 Discuss
- 9. What is the value of 2+2+2+2.......
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 10. Find out the odd word/letters/number/number pair from the given alternatives.
Options- A. 82
- B. 75
- C. 64
- D. 31 Discuss
More questions
Correct Answer: FHJ
Correct Answer: 12.5% more
Explanation:
Quantity X Rate = Price
1 x 1 = 1
0.7 x 1.25 = 0.875
Decrease in price = (1-0.875) x 100 = 12.5%
Correct Answer: Rs. 34.00
Correct Answer: 245
Correct Answer: 852
Correct Answer: -99%
Explanation:
By mistake = x/10
Actual value = x * 10
% Change = = 99% (negative)
Since actual value is greater than the wrong value.
Correct Answer: 5/36
Explanation:
The two events mentioned are independent.
The first roll of the die is independent of the second roll. Therefore the probabilities can be directly multiplied.
P(getting first 4) = 1/6
P(no second 6) = 5/6
Therefore P(getting first 4 and no second 6) = 1/6 x 5/6 = 5/36
Correct Answer: 20
Correct Answer: 4
Explanation:
Let 2+?2+?2..... = t
2+?t = t
t - 2 = ?t
t = 4
Correct Answer: 64
Comments
There are no comments.More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.