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Maths Questions for KVS Exam 2017

Q1. Students often make a mistake in comparing the decimal numbers. For example 0.50 is larger than 0.5. The most probable reason for this error is –
(a) lack of practice of these types of questions in the class
(b) lack of concrete experience of representation of decimal number on number line
(c) careless attempt by the students
(d) misconception regarding the significance of zero in ordering decimal

Q2. A teacher prompts the students to prepare Mathematical journal with the theme “Application of Mathematics in Daily life.” This activity is –
(a) to test the students understanding of Mathematical concepts
(b) to help students to connect Mathematical concepts and its applications and to share their knowledge and ideas
(c) to provide opportunity to students share their ideas and knowledge
(d) none of these

Q3. A child display difficulty in differentiating between numbers, operations and symbols, two clock hands, different coins etc. This implies that the specific barrier affecting his learning is –
(a) poor verbal, visual, auditory and working memory
(b) poor visual processing ability i.e visual discrimination, spatial organization and visual coordination
(c) poor language processing ability i.e expression, vocabulary and auditory processing
(d) poor motor skills, reading and writing skills

Q4. The most appropriate tool to expose the students of class II to plane figures, its vertices and edges is –
(a) Geo-board
(b) Nets of 3D solids
(c) Cubes
(d) Black-board surface

Q5. Following is a problem from textbooks of class III:
“Which mathematical operation will be used to solve the following problem?
A milkman sold 1410 liters of milk in 10 days. How many liters of milk did he sell in a day?” Which competence of Bloom’s cognitive domain is referred in the above question?
(a) Knowledge
(b) Comprehension
(c) Analysis
(d) Synthesis

Q6. Rajni purchased a mobile phone and a refrigerator for Rs. 12000 and Rs. 10000, respectively. She sold the refrigerator at a loss of 12% and mobile phone at a profit of 8%. What is her overall loss/profit?
(a) Loss of Rs. 280
(b) Profit of Rs. 2160
(c) Loss of Rs. 240
(d) Profit of Rs. 2060

Q7. The profit earned after selling an article for Rs. 1754 is the same as loss incurred after selling the article for Rs. 1492. What is the cost price of the article?
(a) Rs. 1623
(b) Rs. 1523
(c) Rs. 1689
(d) Rs. 1589

Q8. Manish bought 25 kg of rice at Rs. 32 per kg and 15 kg of rice at Rs. 36 per kg. What profit did he get, when he mixed the two varieties together and sold it at Rs. 40.20 per kg?
(a) 25%
(b) 40%
(c) 30%
(d) 20%

Q9. If on selling 12 notebooks any seller makes a profit equal to the selling price of 4 notebooks, what is his percent profit?
(a) 50%
(b) 25%
(c) 16 2/3%
(d) 40%

Q10. Manoj sold an article for Rs. 15000. Had he offered discount of 10% on the selling price, he would have earned a profit of 8%. What is the cost price?
(a) Rs. 12500
(b) Rs. 13500
(c) Rs. 12250
(d) Rs. 13250
Solutions:
S1. Ans.(d)
S2. Ans.(b)
S3. Ans.(b)
S4. Ans.(a)
S5. Ans.(c)
S6. Ans.(c)
Sol. Here, purchasing price for mobile phone = Rs. 12000
Profit percentage = 8%
∴ Selling price =12000((100 + 8)/100)
= 12000×108/100 = Rs. 12960
Again, purchasing price for refrigerator = Rs. 10000
Loss percentage = 12%
∴ Selling price =10000×((100-12)/100)
=10000×88/100 = Rs. 8800
Now, total SP = 12960 + 8800
= Rs. 21760
Total CP = Rs 22000
∴ Total loss = 22000 – 21760 = Rs. 240
S8. Ans.(d)
Sol. Here, cost price of 25 kg of rice
= 25 × 32 = Rs. 800
Cost price of 15 kg of rice
= 15 × 36 = Rs. 540
Total quantity of rice
= 25 + 15 = 40 kg
Total cost of rice = 540 + 800
= Rs. 1340
Selling price of rice
= 40 × 40.20 = Rs. 1608
∴ Profit = 1608 – 1340 = Rs. 268
Profit percentage =268/1340×100=20%
S9. Ans.(a)
Sol. Let the selling price of each notebook be Rs. 1
Then, selling price of 12 notebooks = Rs. 12
Profit = Selling price of 4 notebooks = Rs. 4
Cost price = Selling price – Profit
= 12 – 4 = Rs. 8
Profit percentage =4/8×100=50%
S10. Ans.(a)
Sol. Here, selling price of article
= Rs. 15000
Discount = 10%
Then, selling price
=15000-15000×10/100
= 15000 – 1500
= Rs. 13500
Profit = 8%
Then, cost price = (Selling price × 100)/(100 + Profit%)
=(13500 × 100)/108
= 125 × 100 = Rs. 12500 Join India's largest learning destination

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