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- Question
- A rectangle has 20 cm as its length and 200 sq cm as its area. If the area is increased by 1 1/ 5 time the original area by increase its length only then the perimeter of the rectangle so formed (in cm) is
Options- A. 72
- B. 60
- C. 64
- D. 68
- Correct Answer
- 68
Explanationl1 = 20 cm, A1 = 200 sq cm
? b1 = 200/20 = 10 cm
Now, A2 = 200 x 6/5 = 240 sq cm
b2 = 10 cm
? l2 = 240/10 = 24 cm
? Perimeter of new rectangle = 2(l2 + b2)
= 2(24 + 10) = 2 x 34 = 68 cm - 1. Two trains of equals length are running on parallel line in the same direction at the rate of 46 kmph and 36 kmph. The faster train passes the slower train in 36 seconds. The length of each train is?
Options- A. 50 metres
- B. 72 metres
- C. 80 metres
- D. 82 metres Discuss
- 2. Dealer purchased an article for Rs. 900 and fixes the list price in such a way that he gains 20% after allowing 10% discount, then the list price is
Options- A. Rs.1180
- B. Rs.1080
- C. Rs.1200
- D. Rs.1100 Discuss
- 3. A trader had 1200 kgs of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (in kg) wheat did he sell at 5% profit?
Options- A. 900
- B. 600
- C. 400
- D. 800 Discuss
- 4. A shopkeeper increases the price of an object by 40% and then sells it at 25% discount on the marked price. If the selling price of such an object be Rs. 2100, its cost price for the shopkeeper was ?
Options- A. 3000
- B. 1500
- C. 1750
- D. 2000 Discuss
- 5. By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?
Options- A. 4/5
- B. 8/5
- C. 5/4
- D. 6/5 Discuss
- 6. The profit earned by a shopkeeper by selling a bucket at a gain of 8% is Rs 28 more than when he sells it at a loss of 8%. The cost price (in Rupees) of the bucket is
Options- A. 170
- B. 190
- C. 175
- D. 165 Discuss
- 7. A vendor buys bananas at 7 for Rs 6 and sells at 6 for Rs 7. What will be the result?
Options- A. 36.1% loss
- B. 26.5% profit
- C. 36.1% profit
- D. 26.5% loss Discuss
- 8. A grocer had 1600 kgs of wheat. He sold a part of it at 20% profit and the rest at 12% profit, so that he made a total profit of 17%. How much wheat (in kg) did he sell at 20% profit?
Options- A. 600
- B. 1000
- C. 800
- D. 1200 Discuss
- 9. If 60% discount is offered on the marked price and selling price becomes equal to cost price then what was the % mark up?
Options- A. 100
- B. 250
- C. 150
- D. 40 Discuss
- 10. A shopkeeper, sold cocoa seeds at the rate Rs 1330 a kg and bears a loss of 15%. Now if he decides to sell it at Rs 1463 per kg, what will be the result?
Options- A. 13 percent loss
- B. 6.5 percent gain
- C. 6.5 percent loss
- D. 13 percent gain Discuss
More questions
Correct Answer: 50 metres
Explanation:
Let the length of each train = L metres
Relative speed = (46 - 36) = 10 km/hr. = 10 x (5/18) = 25/9 m/sec
Distance covered in crossing = (L + L) = 2L metres
? 2L x (9/25) = 36
? L = (25 x 36)/(2 x 9) = 50 metres.
Correct Answer: Rs.1200
Correct Answer: 800
Correct Answer: 2000
Correct Answer: 5/4
Correct Answer: 175
Correct Answer: 36.1% profit
Correct Answer: 1000
Correct Answer: 150
Correct Answer: 6.5 percent loss
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