Maths Practice Question and Answer
8 Q: The average price of 3 precious diamond-studded platinum thrones Rs. 106000000. If their prices are in the ratio 4 : 7 : 9. Find the price of the most expensive diamond?
2178 060b0d2863f7fb454b9dd049d
60b0d2863f7fb454b9dd049d- 1₹ 143100000true
- 2₹ 178500000false
- 3₹ 125100000false
- 4₹ 192100000false
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Answer : 1. "₹ 143100000 "
Q: The ages of Sunitha and Pranitha are 40 years and 60 years, respectively. How many years before the ratio of their ages was 3 : 5? 2177 05b5cc601e4d2b4197774b445
5b5cc601e4d2b4197774b445- 110 yearstrue
- 215 yearsfalse
- 318 yearsfalse
- 424 yearsfalse
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Answer : 1. "10 years"
Explanation :
Answer: A) 10 years Explanation: Given the ages of Sunitha and Pranitha are 40 years and 60 years. Let before 'm' years, their ages be in the ratio of 3 : 5 ATQ, 40-m60-m = 35 => 200 - 5m = 180 - 3m =>2m = 20 => m = 10 years.
Q: The price of sugar is increased by 20 %. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is:
2176 05ef4760df2ebd073795c9d8a
5ef4760df2ebd073795c9d8a- 11 : 6true
- 21 : 5false
- 31 : 3false
- 41 : 4false
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Answer : 1. "1 : 6 "
Q:Direction (66-70): What should come in place of the question mark(?) in the following number series?
8, 39, 155, 464, ?
2176 05da05c7b00e22578c9e9ab50
5da05c7b00e22578c9e9ab50- 1231false
- 2463false
- 31391false
- 4927true
- 5None of thesefalse
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Answer : 4. "927"
Q: If the income of Ram is $$ 12{1\over2}\%$$ more than that of Shyam, the income of Shyam is less than that of Ram by
2174 05d7f1d4e50132761b5ef7870
5d7f1d4e50132761b5ef7870- 1$$ 11{1\over9}\%$$true
- 2$$ 12{1\over8}\%$$false
- 3$$ 9{1\over11}\%$$false
- 4$$ 11{1\over11}\%$$false
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Answer : 1. "$$ 11{1\over9}\%$$ "
Explanation :
Q: Average weight of 24 students is 32 kg. If increase by 2 kg when a teacher joins the group. What will be the weight of teacher? 2172 05d19d10c7619fe30b9d3458d
5d19d10c7619fe30b9d3458d- 182 kgtrue
- 284 kgfalse
- 380 kgfalse
- 485 kgfalse
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Answer : 1. "82 kg"
Q: Which of the following is a perfect square as well as a cube ?
2172 05e326a9ed0aa6f23a8fc4fae
5e326a9ed0aa6f23a8fc4fae- 181false
- 2125false
- 3343false
- 464true
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Answer : 4. "64"
Q: P and Q together can do a job in 6 days. Q and R can finish the same job in 60/7 days. P started the work and worked for 3 days. Q and R continued for 6 days to finish the work. Then the difference of days in which R and P can complete the job alone is
2168 05f211d624ab50b169742b8a0
5f211d624ab50b169742b8a0- 112 daysfalse
- 215 daysfalse
- 310 daystrue
- 48 daysfalse
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