Maths Practice Question and Answer
8 Q:Directions: The bar chart given below shows the percentage distribution of the production of various models of a mobile manufacturing company in 2007 and 2008. The total production in 2007 was 35 lakh mobile phones and in 2008 the production was 44 lakh. Study the chart and answer the following questions.
Percentage of six different types of mobiles manufactured by a company over two year

If the percentage production of A type mobiles in 2008 as same as that in 2007, then the number of A type mobiles produced in 2008 would have been
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5dd6849ac2282c484e4ca5c6Percentage of six different types of mobiles manufactured by a company over two year

- 114,00,000false
- 213,20,000true
- 311,70,000false
- 410,50,000false
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Answer : 2. "13,20,000 "
Q: The top of two poles of height 24 m and 42 m are connected by a wire. If the wire makes an angle of 60° with the horizontal, then the length of the wire is
1573 05ef183e27fed557ba2aaefc7
5ef183e27fed557ba2aaefc7- 1$$12\sqrt{3}$$true
- 2$$18\sqrt{3}$$false
- 3$$16\sqrt{3}$$false
- 4$$24\sqrt{3}$$false
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Answer : 1. "$$12\sqrt{3}$$"
Q:Directions: The bar graph shows the results of an annual examination in a secondary school in a certain year. Answer the following four questions based on this chart.

The class in which the number of boys passed is nearest to the average number of girls passed per class, is
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5e8af9a67b82aa7479fc1c80
- 1VIIIfalse
- 2IXfalse
- 3Xfalse
- 4VItrue
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Answer : 4. "VI "
Q: There is 80% increase in amount in 5 years at simple interest. What will be the compound interest of Rs. 20,000 after 3 years at the same rate?
1572 05f2cfad5be9f31290fb86158
5f2cfad5be9f31290fb86158- 1Rs.1000false
- 2Rs.11217.92true
- 3Rs.11717.20false
- 4Rs.13217.92false
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Answer : 2. "Rs.11217.92"
Q: The selling price of the product was equal to 50% of its cost price. Two gradual discounts were offered on the product. If the first discount was 20%, then what was the second discount?
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5f6d8a7df9079a64e3bf076b- 130 %false
- 237.5 %true
- 325 %false
- 433.33 %false
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Answer : 2. "37.5 %"
Q: Speed of boat in still water is 9 km/hr. Stream speed initially is 2 km/hr but it increases by 3 km/hr after every hour. Find the time after which boat will come back to the position where it started.(in hour)
1572 064f841fe1778d5be471f9616
64f841fe1778d5be471f9616- 15(5/8)true
- 24(7/8)false
- 35(3/8)false
- 44(3/4)false
- 5None of thesefalse
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Answer : 1. "5(5/8)"
Q: $$ \sqrt{749}×0.56+14.38=?$$
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6040abc2e759ac364c9507ab- 130true
- 242false
- 320false
- 435false
- 545false
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Answer : 1. "30"
Q: A polygon has 14 sides then find out No. of diagonals in that polygon.
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5e8afd2bbd0d850c66cb13a2- 175false
- 276false
- 377true
- 480false
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