Maths Practice Question and Answer
8 Q: If $$ {9^{x}={9\over {3^{x}}}}$$ then find the value of x.
1168 0602cc5dc6ea6434ffa7705a3
602cc5dc6ea6434ffa7705a3- 14false
- 2$$ {2\over 3}$$true
- 3$$ {4\over 3}$$false
- 4$$ {1\over 3}$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "$$ {2\over 3}$$"
Q: If $$ {(x^{3})^{3} × x^{5}\over{x^{4}}}=x^{n}$$ then find the value of n.
1090 0602cc59b6ea6434ffa77058a
602cc59b6ea6434ffa77058a- 110true
- 27false
- 39false
- 4None of thesefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "10"
Q: What should be added at least in 1140 so that it becomes a perfect square?
1267 0602cc536a6ca4d5b0bb3cf26
602cc536a6ca4d5b0bb3cf26- 176false
- 216true
- 365false
- 440false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "16"
Q: $$ {\sqrt{8\ {^{3}\sqrt{729}}}=?}$$
1212 0602cc4cc9f2a38430905c458
602cc4cc9f2a38430905c458- 16false
- 2$$ {5\sqrt{2}}$$false
- 3$$ {6\sqrt{2}}$$true
- 412false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "$$ {6\sqrt{2}}$$"
Q: Every year before the festive season,a shopkeeper increases the price of the product by 35% and then introduce two successive discount of 10% and 15% respectively.what is percentage loss and percentage gain ? 5790 05b5cc718e4d2b4197774f4ea
5b5cc718e4d2b4197774f4ea- 13.27 % lossfalse
- 24.15 % lossfalse
- 33.27 % gaintrue
- 44.15 % gainfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "3.27 % gain"
Explanation :
Answer: C) 3.27 % gain Explanation: Let cp= 100,35 % increase in sp=13510 % discount in 135((135*10)/100)=13.5so 1st sp=(135-13.5)=121.5, again 15 % discount in 1st sp((121.5*15)/100)=18.2252nd sp=(121.5-18.225)=103.275, so finally cp=100,sp=103.275 ,gain by 3.27%
Q:Direction: The given Bar Graph Presents the number of different types of vehicles (in lakhs) exported by a company during 2014 and 2015.
The average number type A, B and D vehicles exported in 2015 was x% less than the number of type E vehicles exported in 2014. What is the value of x?
1297 0602514ac083f2c6596c29b5d
602514ac083f2c6596c29b5d- 120false
- 225false
- 318true
- 424false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "18"
Q:Direction: The given Bar Graph Presents the number of different types of vehicles (in lakhs) exported by a company during 2014 and 2015.
Which type of vehicle showed a 32% increase in export in 2015 as compared to that in the previous year?
1158 060251372cce66f776c87be6b
60251372cce66f776c87be6b- 1Btrue
- 2Afalse
- 3Efalse
- 4Dfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "B"
Q:Direction: The given Bar Graph Presents the number of different types of vehicles (in lakhs) exported by a company during 2014 and 2015.
What is the ratio of the total number of type A and c vehicles exported in 2014 to the total number of type B and E vehicles exported in 2015?
1020 0602512d5473e977f3667d301
602512d5473e977f3667d301- 12:3false
- 25:7false
- 38:11false
- 47:9true
- Show AnswerHide Answer
- Workspace
- SingleChoice