Maths Practice Question and Answer
8 Q: In solving a problem, one student makes a mistake in the coefficient of the first degree term and obtains – 9 and – 1 for the roots. Another student makes a mistake in the constant term of the equation and obtains 8 and 2 for the roots. The correct equation was
3290 05e327c5bd0aa6f23a8fc6e21
5e327c5bd0aa6f23a8fc6e21- 1x2 + 10x + 9 = 0false
- 2x2 – 10x = 16 = 0false
- 3x2 – 10x + 9 = 0true
- 4None of thesefalse
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Answer : 3. "x2 – 10x + 9 = 0"
Q: Mrs. Deepa Devi saves 30% of her salary. If she receives Rs.42,000 per month as her salary, what is her monthly expenditure?
3289 0649e851246047484bc7dc169
649e851246047484bc7dc169- 1Rs.29,200false
- 2Rs.29,400true
- 3Rs.29,300false
- 4Rs.29,100false
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Answer : 2. "Rs.29,400"
Q: If one object is sold for 5% instead of 5 % loss the seller gets Rs. 33.6 more. What is the cost Price? 3289 05d132a48925caa2d5bbbff5b
5d132a48925caa2d5bbbff5b- 1336true
- 2454false
- 3672false
- 4785false
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Answer : 1. "336"
Q: The ratio of managers to management trainees is 3:5. When 21 new management trainees are recruited, the ratio will become 3:8. How many managers will there be in the group? 3283 05d1b03a78a754124194a7515
5d1b03a78a754124194a7515- 127false
- 224false
- 321true
- 4Cannot be determinedfalse
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Answer : 3. "21"
Q: The area of trapezium is 21 square cm, the distance between the parallel sides is 3 cm and one of the parallel sides is 8.3 cm. What is the length of the other parallel side ?
3283 15e4667b365b2ec50e42a778f
5e4667b365b2ec50e42a778f- 112.7 cmfalse
- 27.7 cmfalse
- 310.7 cmfalse
- 45.7 cmtrue
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Answer : 4. "5.7 cm"
Q: Ram can complete ¼ th part of work in 8 days and Shyam can complete 2/4 th of the work in 6 days and Naresh can complete ¾th the work in 12 days. In how many days can they together complete it? 3273 15d147f2b9aeb0a08f1e6721a
5d147f2b9aeb0a08f1e6721a- 1\(6 {11 \over 17 }\)false
- 2\(5 {11 \over 17 }\)true
- 3\(8 {11 \over 17 }\)false
- 4\(7 {11 \over 17 }\)false
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Answer : 2. "\(5 {11 \over 17 }\)"
Q: What approximate value should come at place of the question mark(?) in the following question?

3273 05d4ab44e108bca202e8a68d0
5d4ab44e108bca202e8a68d0
- 18false
- 238false
- 358false
- 468false
- 518true
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Answer : 5. "18"
Q: A used car dealer sells a car for Rs 7.6 lakhs and makes some loss. If he had sold if for Rs.9.2 lakhs his profit would been thrice of his loss. What was the cost price of the car (in Rs. Lakhs)?
3269 05dca4f4a582669277c2973cc
5dca4f4a582669277c2973cc- 18.5false
- 28.75false
- 38.25false
- 48true
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