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- Question
At 20% discount the selling price of an article is Rs 2400, what is the selling price (in Rs) if the discount is 32.5%?
Options- A. 2125
- B. 2225
- C. 2025
- D. 2325
- Correct Answer
- 2025
- 1. The banker's gain of a certain sum of money is Rs. 36 and the true discount on the same sum for the same time and at the same rate is Rs. 30. The sum is?
Options- A. Rs. 1080
- B. Rs. 180
- C. Rs. 500
- D. Rs. 300 Discuss
- 2. The H.C.F. of 9⁄10, 12⁄25, 18⁄35 and 21⁄40 is:
Options- A. 3⁄5
- B. 252⁄5
- C. 3⁄1400
- D. 63⁄700 Discuss
- 3. If 7 spiders make 7 webs in 7 days, then how many days are needed for 1 spider to make 1 web?
Options- A. 10
- B. 7
- C. 3
- D. 4 Discuss
- 4. 134% of 3894 + 38.94 % of 134 =?
Options- A. 5000
- B. 5300
- C. 5500
- D. 5270 Discuss
- 5. Find the value of 2 x [(3.6 x 0.48 x 2.50) / (0.12 x 0.09 x 0.5)]
Options- A. 800
- B. 500
- C. 900
- D. 1600 Discuss
- 6. Ram and Mohan are friends. Each has some money. If Ram gives ? 30 to Mohan, Then Mohan will have twice the money left with Ram. But if Mohan gives ? 10 to Ram, Then Ram will have thrice as much as is left with Mohan. How much money does each have?
Options- A. ?62,?34
- B. ?6,?2
- C. ?170,?124
- D. ?43,?26 Discuss
- 7. Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the distance.
Options- A. 6 km
- B. 9 km
- C. 8 km
- D. 7 km Discuss
- 8. A positive number, when increased by 10 equal 200 times its reciprocal . What is the number?
Options- A. 100
- B. 10
- C. 20
- D. 200 Discuss
- 9. From a 15 m high bridge on the river, the angle of depression of a boat is 30°. If the speed of the boat be 6 Km/h, then the time taken by the boat to reach exactly below the bridge will be :
Options- A. 9 ?3 second
- B. 19 / ?3 second
- C. 3 ?3 second
- D. None of these Discuss
- 10. Which of the following statements is not correct?
Options- A. log10 10 = 1
- B. log (2 + 3) = log (2 x 3)
- C. log10 1 = 0
- D. log (1 + 2 + 3) = log 1 + log 2 + log 3 Discuss
More questions
Correct Answer: Rs. 180
Explanation:
Sum = (B.D. x T.D.) / (B.D. - T.D.) = Rs. (36 x 30) / 6
= Rs. 180
Correct Answer: 3⁄1400
Explanation:
| Required H.C.F. = | H.C.F. of 9, 12, 18, 21 | = | 3 |
| L.C.M. of 10, 25, 35, 40 | 1400 |
Correct Answer: 7
Explanation:
7 spiders make 7 webs in 7 days.
? 1 spiders make 7 webs in 7 x 7 days.
? 1 spiders make 1 webs in 7 x 7 / 7 days.
? 1 spiders make 1 webs in 7 days.
Correct Answer: 5270
Explanation:
134% of 3894 + 38.94% of 134 = ?
? ? = (3894 x 134)/100 + (38.94 x 134)/100
= 5217.96 + 52.1796
= 5270.1396 ? 5270
Correct Answer: 1600
Explanation:
2 x [(3.6 x 0.48 x 2.50) / (0.12 x 0.09 x 0.5)]
= 2 x [(36 x 48 x 250) / (12 x 9 x 5)]
= 2 x 4 x 4 x 50 = 1600
Correct Answer: ?62,?34
Explanation:
Let us assume Ram has R rupees and Mohan has M rupees.
According to question,
If Ram gives 30 rupees to Mohan, then
Ram has left money = R - 30 and Mohan has money = M + 30
Then Mohan will have twice the money left with Ram,
M + 30 = 2(R - 30)
M + 30 = 2R - 60
2R - M = 90................................(1)
Again According to question,
if Mohan gives 10 rupees to Ram, then
Mohan has left the money = M - 10 and Ram has the money = R + 10
Then According to question,
Ram will have thrice as much as is left with Mohan,
R + 10 = 3 (M - 10 )
? R + 10 = 3M - 30
? 3M - R = 10 + 30
? 3M - R = 40..................................(2)
After Multiplying 2 with Equation (2) , add with the equation (1),
6M - 2R + 2R - M = 80 + 90
? 6M - M = 170
? 5M = 170
? M = 170/5
? M = 34
Put the value of M in equation (1), we will get
? 2R - 34 = 90
? 2R = 90 + 34
? 2R = 124
? R = 124/2
? R = 62
Correct Answer: 6 km
Explanation:
Let total distance = x km
According to the question,
x/3 - x/4 = 1/2;
? x/12 = 1/2
? x = 6 km
Correct Answer: 10
Explanation:
Let the positive number be N.
According to the question,
N + 10 = 200/N
? N2 + 10N = 200
? N2 + 10N - 200 = 0
? ( N - 10) ( N + 20) = 0
&ythere4; N = 10 and N = -20
But N ? -20, since N is a positive number.
So, the required number is 10.
Correct Answer: 9 ?3 second
Explanation:
Correct Answer: log (2 + 3) = log (2 x 3)
Explanation:
(b) log (2 + 3) = log 5 and log (2 x 3) = log 6 = log 2 + log 3
∴ log (2 + 3) ≠ log (2 x 3)
(c) Since loga 1 = 0, so log10 1 = 0.
(d) log (1 + 2 + 3) = log 6 = log (1 x 2 x 3) = log 1 + log 2 + log 3.
So, (b) is incorrect.
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