Maths Practice Question and Answer
8 Q: A trader bought 10 kg of apples for Rs. 405 out of which 1 kg of apples were found to be rotten. If he wishes to make a profit of 10 % at what rate should he sell the remaining apples per kg?
2372 05dc296a1ee5d9e2ea2b548c7
5dc296a1ee5d9e2ea2b548c7- 149.5true
- 248false
- 346false
- 447false
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Answer : 1. " 49.5 "
Q: If $$ {3^{4x-y}={3^{x+y}=\sqrt{27}}}$$, then the value of y is:
2371 05f644e3ae318e06cd33b42b7
5f644e3ae318e06cd33b42b7- 1$$ {9\over 10}$$true
- 2$$ {3\over 2}$$false
- 32false
- 4$$ {3\over 4}$$false
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Answer : 1. "$$ {9\over 10}$$"
Q: Rekha is 25 years younger to her mother. Ten years back their ages were in the ratio of 1:6. Present age of mother is 2371 05d0c9e2c0cbb1019f5248203
5d0c9e2c0cbb1019f5248203- 125false
- 240true
- 335false
- 415false
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Answer : 2. "40"
Q: P purchase an item for Rs 1200 and sold it on a profit of 10%. If he sells it at Rs 1380 then calculate his increase in profit percentage.
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5e7ee34a1425f51f3ac20305- 15%true
- 210%false
- 312%false
- 415%false
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Answer : 1. "5% "
Q: Priya purchased two mixers for Rs.1500 and made a profit of 9% on one and loss of 6% on the other. But overall there is no profit or loss, then cost price of mixture are in the ratio?
2369 0602270d8ad295556282ac6aa
602270d8ad295556282ac6aa- 13 : 5false
- 22 : 3true
- 35 : 3false
- 43 : 2false
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Answer : 2. "2 : 3"
Q: If the difference between the roots of the equation Ax2+BX+C = 0 is 4, then which of the following is TRUE?
2366 05dca4966582669277c295e49
5dca4966582669277c295e49- 1$$B^2 - 16A^2 = 4AC + 4B^2 $$false
- 2$$B^2 - 10A^2 = 4AC + 6A^2$$true
- 3$$B^2 - 8A^2 = 4AC + 10A^2 $$false
- 4$$B^2 - 16A^2 = 4A^C + 8B^2$$false
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Answer : 2. "$$B^2 - 10A^2 = 4AC + 6A^2$$"
Q: The annual payment of Rs.1000 in 5 years at 4% per annum simple interest will discharge a debt of
2366 15fc4756ba5adbb0808cff0ef
5fc4756ba5adbb0808cff0ef- 1Rs.5440false
- 2Rs.5400true
- 3Rs.5600false
- 4Rs.5800false
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Answer : 2. "Rs.5400"
Q: If the ratio of selling price and cost price is 4:5 respectively, then what is the loss percentage?
2364 05e4e10f61b69e805d0bbee10
5e4e10f61b69e805d0bbee10- 110false
- 216.66false
- 312.5false
- 420true
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