Maths Practice Question and Answer
8Q: The cost price of 27 articles is same as the selling price of 18 articles. What is the profit percent? 1566 060bf560ac40f0c12f4b8e2f5
60bf560ac40f0c12f4b8e2f5- 140%false
- 230%false
- 350%true
- 425%false
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Answer : 3. "50%"
Q: 2x + 4y – 8xy -1 =?
1566 060f9306716158a5eedaeb9ec
60f9306716158a5eedaeb9ec- 1( 1 + 4y) (2x – 1 )false
- 2(1 – 4y) (2x – 1 )true
- 3( 1 – 4y ) (2x +1)false
- 4None of thesefalse
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Answer : 2. "(1 – 4y) (2x – 1 )"
Q: A mathematics teacher calculated the total marks obtained by 35 students of 8th class . The average marks of the students were 72. But 36 marks for Reena was calculated in place of 86 obtained by her. What was the correct average of all the students?
1566 0600a9fb5baeda263c3c90fd2
600a9fb5baeda263c3c90fd2- 173.41false
- 274.31false
- 372.43false
- 473.42true
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Answer : 4. "73.42 "
Q: A plan flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
1565 05f2a701dcef453383f1e5e9f
5f2a701dcef453383f1e5e9f- 1200false
- 210false
- 320false
- 4100true
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Answer : 4. "100"
Q: A dealer is selling an article at a discount of 5 % on the marked price. If the marked price is 12% above the cost price and the article was sold for ₹ 532 then the cost price is (in ₹)
1565 05dca5499f7c0852c4475b389
5dca5499f7c0852c4475b389- 1500true
- 2525false
- 3505false
- 4520false
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Answer : 1. "500 "
Q: 7 men or 10 women can build a 100-meter-long wall in 10 days, then how many days will it take 14 men and 20 women to build a 600-meter-long wall?
1565 0602e047b9f2a38430909b828
602e047b9f2a38430909b828- 120 daysfalse
- 215 daystrue
- 322 daysfalse
- 418 daysfalse
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Answer : 2. "15 days"
Q: A number when divided by 119, leaves a remainder of 19. If it is divided by 17, it will leave a remainder of:
1564 0614c68834d59797c590e504e
614c68834d59797c590e504e- 119false
- 27false
- 310false
- 42true
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Answer : 4. "2 "
Explanation :
On dividing the given number by 119, let k be the quotient and 19 as remainder.
Then, number = 119k + 19
= 17 × 7k + 17 × 1 + 2
= 17 (7k + 1) + 2
Hence, the given number when divided by 17, gives (7k + 1) as quotient and 2 as remainder.
Q:Direction : What value should come in the place of question mark (?) in the following questions?
283 ÷25x4 + 186 = ?
1563 05e847b985172085cbd6c5219
5e847b985172085cbd6c5219- 1228 . 48false
- 2232 . 48false
- 3233 . 48false
- 4None of thesetrue
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