Maths Practice Question and Answer
8 Q: The average marks obtained by Saloni in four papers is 51, and in the fifth paper she gets 56 marks. Find her new average in all five papers.
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649e7ef046047484bc7db832- 151false
- 252true
- 349false
- 450false
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Answer : 2. "52"
Q: Two poles of equal height are standing opposite to each other on either side of a road, which is 28 metre wide. From a point between them on the road, the angle of elevation of the top are 30° and 60°. The height of each pole is:-
1613 05f5b0349dc518b408a41c7d7
5f5b0349dc518b408a41c7d7- 1$$ {6{\sqrt{3}}}\ metre$$true
- 2$$ {5{\sqrt{3}}}\ metre$$false
- 3$$ {4{\sqrt{3}}}\ metre$$false
- 4$$ {7{\sqrt{3}}}\ metre$$false
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Answer : 1. "$$ {6{\sqrt{3}}}\ metre$$"
Q: If difference of cube and square of a number is 100 and difference of square and number is 20, then value of number is
1612 05e787b3af012602a3defbf83
5e787b3af012602a3defbf83- 13false
- 25true
- 34false
- 4None of thesefalse
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Answer : 2. "5"
Q: In a family, the average age of father and son, father and mother, and mother and son are 25, 40 and 24 years. Age of son is- 1612 05d0ca6f90cbb1019f5248230
5d0ca6f90cbb1019f5248230- 19 yearstrue
- 28 yearsfalse
- 310 yearsfalse
- 411 yearsfalse
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Answer : 1. "9 years"
Q: What is the measure of the angle formed by the hour and minute hand when the time to 10' O clock?
1612 05eb4f4454080050ac26494be
5eb4f4454080050ac26494be- 130°false
- 245°false
- 360°true
- 490°false
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Answer : 3. "60°"
Q:Direction : What should come in place of the question (?) in the following question.
8424÷ 135 ×6=?
1612 05da0651e0ba8fe2a19c260cd
5da0651e0ba8fe2a19c260cd- 1124.8false
- 2249.6false
- 3374.4true
- 4274.4false
- 5None of thesefalse
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Answer : 3. "374.4"
Q: The angle of elevation of the top of a building at a distance of 70 m from its foot on a horizontal plane is found to be 60°. Find the height of the building.
1612 064abdd5a8c254a4ceae340be
64abdd5a8c254a4ceae340be- 1$$70 \sqrt { 3} $$mtrue
- 2$$60 \sqrt { 3} $$mfalse
- 3$$50 \sqrt { 3} $$mfalse
- 4$$70 \sqrt { 2} $$mfalse
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Answer : 1. "$$70 \sqrt { 3} $$m"
Q:The distribution of fruit consumption in a sample of 72 seventeen – year – old girls is given in the graph below. Study the graph and answer the questions.
Distribution of Fruit Consumption
What percent of these girls ate six or more servings per day
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5d92caf86819c079458b781c- 112.5%true
- 213%false
- 310%false
- 411%false
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