Maths Practice Question and Answer
8 Q: Sound travels 330 meters in one second. When the sound is heard 10 seconds after the lightning flashes, then at what distance will the cloud be?
849 063183189d9ac741324d785d5
63183189d9ac741324d785d5- 11300 meterfalse
- 22000 metersfalse
- 33650 metersfalse
- 43300 meterstrue
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Answer : 4. "3300 meters"
Q: The length, the breadth, and the height of a cuboid are 40 cm, 20 cm and 10 cm. respectively. What is the volume of this cuboid?
849 06426e3d8ed76c064b85c8200
6426e3d8ed76c064b85c8200- 1$${16000cm^2}$$false
- 2$${8000cm^2}$$true
- 3$${8000cm^2}$$false
- 4$${4000cm^2}$$false
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Answer : 2. "$${8000cm^2}$$"
Q: A number when divided by 6 leaves remainder 3. When the square of the same number is divided by 6, the remainder is :
849 0650d36e3d2f211504875ecda
650d36e3d2f211504875ecda- 10false
- 21false
- 32false
- 43true
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Answer : 4. "3"
Explanation :
The remainder will be same.
On dividing 9 by 6, remainder = 3
On dividing 81 by 6, remainder = 3
Q: A can do 50% of a work in 16 days, B can do 1/4 of the same work in 24 days. In how many days will they complete 3/4th of the work working together?
848 06321c15769fe1d77bc033ee3
6321c15769fe1d77bc033ee3- 124false
- 219false
- 321false
- 418true
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Answer : 4. "18"
Q:Directions: A survery of film watching habits of people living in five cities P, Q, R, S and T is summarised below in a table. The coulmn I in the table gives percentage of film-watchers in each city who see only one film a week. The column II gives the total number of film-watchers who see two or more films per week.
Read the table and answer the following questions.

The highest number of film watchers in any given city is :
848 0632db5fe751e5310a5d10cbd
632db5fe751e5310a5d10cbd
- 1Qfalse
- 2Rfalse
- 3Sfalse
- 4Ttrue
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Answer : 4. "T "
Q: The profit earned by selling an article for ₹832 is equal to the loss incurred when the article is sold for ₹448. What will be the selling price of the article if it is sold at a ₹10%, loss?
848 06479d594bf323e479a8002bb
6479d594bf323e479a8002bb- 1₹576true
- 2₹540false
- 3₹625false
- 4₹640false
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Answer : 1. "₹576 "
Q: The angle of elevation of the top of a tower from the top of a building whose height is 680 m is 45° and the angle of elevation of the top of same tower from the foot of the same building is 60°. What is the height (in m) of the tower?
847 064b4f48636fc1bf576504f42
64b4f48636fc1bf576504f42- 1340(3 + √3)true
- 2310(3 - √3)false
- 3310(3 + √3)false
- 4340(3 - √3)false
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Answer : 1. "340(3 + √3)"
Q: If the square root of 841 is 29, then square root of 0.00000841 is equal to:
847 0638dc8e875f808476e2b8b4f
638dc8e875f808476e2b8b4f- 10.029false
- 20.0029true
- 30.00029false
- 40.29false
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