Maths Practice Question and Answer
8 Q: The Population of vultures in a particular locality is decreases by a certain rate of interest (compounded annually). If the current population of vultures be 29160 and the ratio of decrease in population for second year and third year be 10: 9. What was the population of vultures 3 years ago?
3194 05e900099f681623fa5605aa0
5e900099f681623fa5605aa0- 130000false
- 235000false
- 340000true
- 450000false
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Answer : 3. "40000 "
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? 3186 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: 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
3186 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: In the given figure, AB, AE, EF, FG and GB are semicircles. AB=56 cm and AE=EF=FG=GB. What is the area (in cm2) of the shaded region?
3183 05d91af854a4d054073fb0e5c
5d91af854a4d054073fb0e5c- 1414.46false
- 2382.82false
- 3406.48false
- 4394.24true
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Answer : 4. "394.24"
Q: A watch which gains uniformly is 4 minutes slow at 9 A.M on Sunday and is 4-minute 15 sec. fast at 9 P.M on the upcoming Friday. When was it correct?
3182 05f18071590e8777587b2e839
5f18071590e8777587b2e839- 11 A.M Wednesdaytrue
- 21 P.M Mondayfalse
- 32 A.M Thursdayfalse
- 46 P.M Tuesdayfalse
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Answer : 1. "1 A.M Wednesday "
Q:Direction: The line chart given below shows the number of labors (men and women) working in six different years. Study the data carefully and answer the following questions.
Total number of Men working in 2012 and 2013 together is what percent of the total number of labors (Men + Women) working in 2014?
3182 0603dc62fcd43d04a8f5c9fc0
603dc62fcd43d04a8f5c9fc0- 190%true
- 240%false
- 360%false
- 470%false
- 580%false
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Answer : 1. "90% "
Q: What is the value of positive square root of $$\ 14+ 6\sqrt{5}\ $$?
3182 15d71f7212442194806647302
5d71f7212442194806647302- 1$$\ 3+ \sqrt { 5} \ $$true
- 2$$\ 3- \sqrt { 5} \ $$false
- 3$$\ 5+ \sqrt { 3} \ $$false
- 4$$\ 5- \sqrt { 3} \ $$false
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Answer : 1. "$$\ 3+ \sqrt { 5} \ $$"
Q: 260-metre-long train can cross a wall of 120 metre in 19 seconds. What is the speed of train in km/hr? 3182 15d15df2a7567c2609b568584
5d15df2a7567c2609b568584- 127false
- 249false
- 372true
- 470false
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