Maths Practice Question and Answer
8Q: Every year before the festive season,a shopkeeper increases the price of the product by 35% and then introduce two successive discount of 10% and 15% respectively.what is percentage loss and percentage gain ? 5245 05b5cc718e4d2b4197774f4ea
5b5cc718e4d2b4197774f4ea- 13.27 % lossfalse
- 24.15 % lossfalse
- 33.27 % gaintrue
- 44.15 % gainfalse
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Answer : 3. "3.27 % gain"
Explanation :
Answer: C) 3.27 % gain Explanation: Let cp= 100,35 % increase in sp=13510 % discount in 135((135*10)/100)=13.5so 1st sp=(135-13.5)=121.5, again 15 % discount in 1st sp((121.5*15)/100)=18.2252nd sp=(121.5-18.225)=103.275, so finally cp=100,sp=103.275 ,gain by 3.27%
Q: If A: B = 2: 3, B: C = 6: 11 then what is the value of C: B: A?
5137 060c0a1f93a55aa3a4ad0b060
60c0a1f93a55aa3a4ad0b060- 111: 6: 2false
- 222: 6: 4false
- 311: 3: 2false
- 411: 6: 4true
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Answer : 4. "11: 6: 4"
Q: If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 – 81y2 and 81x2 – 9y2 is divisible by __________
5133 0649e6f6ea0e013744d4e7a7f
649e6f6ea0e013744d4e7a7f- 1135true
- 2120false
- 3180false
- 490false
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Answer : 1. "135"
Q: If 2A=3B=4C, then A:B:C will be- 5130 15d1b1e761fc62311c7736887
5d1b1e761fc62311c7736887- 12:3:4false
- 24:3:2false
- 36:4:3true
- 43:4:6false
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Answer : 3. "6:4:3"
Q: A and B together can complete a work in 35 days. If A works alone and completes 4/7 of that work and leaves the remaining work for B, thus if it takes 114 days to complete the work. So how many days will A, who is more proficient in both, take to complete all the work alone?
5107 05f87f8d958d85e164c543663
5f87f8d958d85e164c543663- 148false
- 242true
- 340false
- 445false
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Answer : 2. "42"
Q: Sapna borrowed a certain sum of money from Kavita under the following repayment scheme based on simple interest. 8% p.a. for the initial 2 years, 9.5% p.a. for the next 4 years, 11% p.a. for the next 2 years, 12% p.a. after the first 8 years. Find the amount which a sum of Rs. 9000 taken for 12 years becomes at the end of 12 years?
5098 05fd1e1da4ae2934b44f63c6f
5fd1e1da4ae2934b44f63c6f- 1Rs. 20160true
- 2Rs. 22350false
- 3Rs. 23470false
- 4Rs. 24567false
- 5None of thesefalse
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Answer : 1. "Rs. 20160"
Q: 30 Men contracts to complete a work in 50 days. But after 25 days, it is come to know that only 1/3rd of the work has been done. How many more workers are required to complete the work in time? 5065 25d149b7e97a68b089a7aa859
5d149b7e97a68b089a7aa859- 125false
- 230true
- 335false
- 440false
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Answer : 2. "30"
Q: The average age of P, Q, R, and S is 30 years. How old is R?
I. The sum of ages of P and R is 60 years.
II. S is 10 years younger than R.
5054 05ee9aaafeee45c3b8374b264
5ee9aaafeee45c3b8374b264I. The sum of ages of P and R is 60 years.
II. S is 10 years younger than R.
- 1I alone sufficient while II alone not sufficient to answerfalse
- 2II alone sufficient while I alone not sufficient to answerfalse
- 3Either I or II alone sufficient to answerfalse
- 4Both I and II are not sufficient to answertrue
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