Maths Practice Question and Answer
8Q: The list price of a clock is Rs 160. A customer buys it for Rs. 122.40 after two successive discount. If first discount is 10% the second is 2567 15cf11f17c97a225730e3b310
5cf11f17c97a225730e3b310- 110%false
- 212%false
- 315%true
- 418%false
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- SingleChoice
Answer : 3. " 15%"
Q: If a + b + c = 12, a2 + b2 + c2 = 52, then what is ab + bc + ca equal to-
2564 060a7a302c7f1592dd0d64b2a
60a7a302c7f1592dd0d64b2a- 1124false
- 2120false
- 346true
- 475false
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Answer : 3. "46"
Q: Mr Amin borrowed a certain sum from Mr Visvas. He borrowed for first 2 year at 8% per annum, for next 3 years at 11% per annum and beyond that at 14% per annum. Mr Amin paid Rs 10,920 as Simple interest in 8 years. Find how much he had borrowed? 2559 05d1206c74702d75f76883252
5d1206c74702d75f76883252- 1Rs 12000true
- 2Rs 15000false
- 3Rs 14000false
- 4Data insufficientfalse
- 5None of thesefalse
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Answer : 1. "Rs 12000"
Explanation :
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Q: The ratio of two numbers is 4:5 and their LCM is 120. The numbers are
2556 05d77729e301aa5616c1b675e
5d77729e301aa5616c1b675e- 130, 40false
- 240, 32false
- 324, 30true
- 436, 20false
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Answer : 3. "24, 30"
Q: Royalty on the book is less than the printing cost by :
2540 05d70ca559004b376a58bee7c
5d70ca559004b376a58bee7c
- 15 %false
- 210 %false
- 320 %false
- 425 %true
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Answer : 4. "25 %"
Explanation :
Printing Cost of book = 20% of C.P.
Royalty on book = 15% of C.P
Difference = (20% of C.P) – (15% of C.P) = 5% of C.P.
⸫ Percentage difference =
= = 25% = 25%
Thus, Royalty on the book is 25% less than the printing Cost.
Q: Train Passes by a lamp post at platform in 7 sec. and passes by the platform completely in 28 sec. If the length of the platform is 390 m,then length of train (in meter) is
2536 05d7f264dfb24f90208639eb6
5d7f264dfb24f90208639eb6- 1120false
- 2130true
- 3140false
- 4150false
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Answer : 2. "130"
Q: By selling 15 mangoes, a fruit seller gains the selling price of 3 mangoes. His gain is
2534 05ee9abc7eee45c3b8374b6aa
5ee9abc7eee45c3b8374b6aa- 125%true
- 216%false
- 324%false
- 427%false
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Answer : 1. "25%"
Q: A number when divided successively by 4 and 5 leaves the remainder 1 and 4 respectively. When it is successively divided by 5 and 4 the respective remainders will be:
2529 05df9f04436644b47cbaf3889
5df9f04436644b47cbaf3889- 14, 1false
- 23, 2false
- 32, 3true
- 41, 2false
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