Maths Practice Question and Answer
8 Q: What is the greatest common factor of 2³ × 7² and 2⁵ × 3¹?
1324 06310a0657c72c0778468e2c2
6310a0657c72c0778468e2c2- 12³ 3¹false
- 22³ 7² 3¹false
- 32³true
- 43¹ 7²false
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Answer : 3. "2³"
Q: Five dice are tossed together. What is the probability of getting different faces in all of the dice?
1323 064f56be94687b15f94b44b4b
64f56be94687b15f94b44b4b- 1false
6!/66
- 2true
6!/65
- 3false
5!/65
- 4false
5!/66
- 5false
6!/55
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Answer : 2. " 6!/65
"
Q: A basket contains 300 mangoes. 75 Mangoes were distributed among some student. Find the percentage of mangoes left in the basket.
1323 0638dd2e934f83f14728d54ba
638dd2e934f83f14728d54ba- 170%false
- 272%false
- 376%false
- 475%true
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Answer : 4. "75%"
Q:Study the following graph carefully to answer the given questions
R started the work and left after some days, when 25% work was done. After it Z joined and completed it working for 25 days. In how many days R and Z can do the complete work, working together?
1323 05ea940b83dbbdc76195addaf
5ea940b83dbbdc76195addaf- 16false
- 28false
- 310false
- 412false
- 520true
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Answer : 5. "20"
Q: 24 women take 14 days to complete a piece of work which can be completed by 14 men in 12 days. 18 men started working and after 5 days, 10 men left and 8 women joined them. How many days will it take them to complete the remaining work?
1323 063d291810d9e560db8ef2bab
63d291810d9e560db8ef2bab- 114 daysfalse
- 25 daysfalse
- 3$$ {9{1\over2}}{days}$$false
- 4$$ {6{1\over2}}{days}$$true
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Answer : 4. "$$ {6{1\over2}}{days}$$"
Q: The greatest 4-digit number which is a perfect square is
1323 060056be9d517b811ff78a62f
60056be9d517b811ff78a62f- 19999false
- 29909false
- 39801true
- 49081false
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Answer : 3. "9801"
Q: Find the LCM of x and (x+3).
1323 0609e5c77e941dd6183d9b5e4
609e5c77e941dd6183d9b5e4- 1x(x+3)true
- 2x2(x+3)false
- 3(x+3)false
- 4xfalse
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Answer : 1. "x(x+3)"
Q: The average of 5 numbers is 27. If one number is excluded, the average becomes 25. The excluded number is:
1322 05f2a5dbe57c6a23ea65d765e
5f2a5dbe57c6a23ea65d765e- 130false
- 235true
- 325false
- 427false
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