Maths Questions for All Teaching Exam:8th May 2019(Solutions)_00.1
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Maths Questions for All Teaching Exam:8th May 2019(Solutions)

Maths Questions for All Teaching Exam:8th May 2019(Solutions)_40.1

Dear Students!!! There is most general as well as a scoring section in all the competitive entrance examinations in the teaching field i.e “Mathematics”.Because in this section only one thing is work i.e your accuracy and that could be nourished with the daily practice. So, for this, we are providing you the daily quiz for all teaching exams i.e CTET Exam 2019, DSSSB ,KVS,STET Exam.


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Q1. If a: b = 5: 7 and c: d = 2a: 5b then ac : bd is?

Q1. यदि a : b = 5 : 7 और c : d = 2a : 5b तो ac : bd है?


(a) 20: 38
(b) 10: 49
(c) 10: 21
(d) 50: 151

Q2. Two sums of money are proportional to 4: 5. If the first is Rs. 20, what is the other?

धन की दो राशि 4 : 5 के समानुपाती हैं. यदि पहली राशि 20रु है, तो दूसरी राशि क्या है?


(a) Rs. 20.5
(b) Rs. 25
(c) Rs. 23.5
(d) Rs. 24.5

Q3. The salaries of A, B and C are in the ratio 1: 3: 4. If the salaries are increased by 5%, 20% and 25% respectively, then the increased salaries will be in the ratio?

A, B और C की आय 1 : 3 : 4 के अनुपात में हैं. यदि उनकी आय में 5%, 20% और 25% से वृद्धि की जाती है, तो वृद्धि करने के बाद उनकी आय का अनुपात कितना होगा?


(a) 20: 66: 95
(b) 21: 66: 95
(c) 21: 72: 100
(d) 19: 66: 92

Q4. A boy has a few coins of denominations 50 paise, 25 paise and 10 paise in the ratio 1: 2: 3. If the total amount of the coins is Rs. 6.50, the number of 50 paise coins is?

एक लडके के पास 1:2:3 के अनुपात में 50 पैसे, 25 पैसे और 10 पैसे कुछ सिक्के हैं. यदि सिक्कों की कुल राशि 6.50रु है, तो 50 पैसे के सिक्कों की संख्या है?


(a) 5
(b) 10
(c) 15
(d) 20

Q5. The ratio of incomes of two persons is 5: 3 and that of their expenditures is 9: 5. If they save Rs. 2000 and Rs. 1500 respectively, their expenditure are?

दो व्यक्तियों की आय 5 : 3 के अनुपात में है और उनका व्यय 9 : 5 के अनुपात में है. यदि वे क्रमश: 2000रु और 1500रु बचाते हैं, तो उनका व्यय ज्ञात कीजिये?


(a) Rs. 6750, Rs. 3750
(b) Rs. 6000, Rs. 3600
(c) Rs. 10000, Rs. 6000
(d) Rs. 9000, Rs. 5400

Q6. The students in three classes are in the ratio 2: 3: 5. If 20 students are increased in each class, the ratio changes to 4: 5: 7. Originally the total number of students was?

तीन कक्षाओं में विद्यार्थी 2 : 3 : 5 के अनुपात में हैं. यदि प्रत्येक कक्षा में 20 विद्यार्थी बढाए जाएँ, तो अनुपात 4 : 5 : 7 में परिवर्तित हो जाता है. कक्षा में विद्यार्थियों की वास्तविक संख्या थी?


(a) 50
(b) 90
(c) 100
(d) 150

Q7. The ratio between the boys and girls in a class is 6: 5 respectively. If 8 more boys join the class and two girls leave the class then the respective ratio becomes 11: 7. What is the number of girls in the class now?

लड़के और लड़कियों के मध्य का अनुपात क्रमश: 6 : 5 है. यदि कक्षा में 8 अधिक लड़के आते हैं और दो लडकियां कक्षा से जाती हैं तो अनुपात 11 : 7 हो जाता है. अब कक्षा में लड़कियों की संख्या ज्ञात कीजिये?


(a) 28
(b) 38
(c) 44
(d) 36

Q8. The ratio between the male and female existing employees in an organization is 7: 4. The ratio between the male and female new recruits of 240 is 5 : 7. What will be the new ratio between male and female employees after the recruits join the organization?

एक संगठन में मौजूदा पुरुष और महिला कर्मचारियों के मध्य का अनुपात 7 : 4 है. 240 नई भारतियों वाले नये पुरुष और महिलाओं के मध्य का अनुपात 5 : 7 है. नए भारती हुए व्यक्तियों के संगठन में जुड़ने के बाद पुरुष और महिलाओं कर्मचारियों का अनुपात क्या होगा?


(a) 6: 5
(b) 5: 4
(c) 3: 2
(d) Can’t be determined

Q9. Three friends divide an amount of Rs. 45,000, such that one of them takes 1/5th of the total amount and the other two divide the rest of the amount equally among themselves. What is the ratio of the amount taken by one of the friends to the total amount taken by the other two friends together?

तीन मित्र 45,000रु की राशि को आपस में इस प्रकार बाटते हैं जिससे उनमें से एक को कुल राशि का वां भाग प्राप्त होता है और अन्य दो शेष राशि को आपस में बराबर बात लेते हैं. एक मित्र द्वारा ली गई राशि का दोनों मित्र द्वारा ली गई राशि से कितना अनुपात है?


(a) 1: 4
(b) 1: 2
(c) 3: 2
(d) 2: 3

Q10. The income of A and B are in the ratio 5: 3. The expenses of A, B and C are in the ratio 8: 5: 2. If C spends Rs. 2000 and B saves Rs. 700, then A saves?

A और B की आय का अनुपात 5 : 3 है. A, B और C के व्यय का अनुपात 8 : 5 : 2 है. यदि C 2000रु व्यय करता है और B, 700रु बचाता है, तो A कितने रूपये की बचत करता है?


(a) Rs. 1500
(b) Rs. 1000
(c) Rs. 500
(d) Rs. 250
Solutions
S1. Ans.(b)
Sol. a/b=5/7
and 
c/d=2a/5b
=2/5×5/7
=2/7
Now, 
a/b×c/d=ac/bd=5/7×2/7
=10/49
S2. Ans.(b)
Sol. According to the question,
4r → 20
1r → 5
5r → 25
S3. Ans.(d)
Sol. Let the salaries of A, B & C
be → Rs. 100, Rs. 300, Rs. 400
According to the question,
A → 105
B → 360 
C → 500
Ratio → 105: 360: 500
= 21: 72: 100
S4. Ans.(a)
Sol.
Value of coins = 50p : 25p : 10p
Ratio of coins =          1 :   2 :    3
Total value of money = 50p : 50 : 30p
                                         = 130p = Rs. 1.3
This Rs. 1.30 → Rs. 6.50
1 → 5
Number of 50 paise coin = 5

Maths Questions for All Teaching Exam:8th May 2019(Solutions)_50.1

S6. Ans.(c)
Sol. 20 students are increased in each class.
Means increase of 60 students.
According to the questions,
(4 + 5 + 7) – (2 + 3 + 5) = 6r
6r → 60
1r → 10
Original number of students = 10r= 100
S7. Ans.(a)
Sol. Let the number of boys & girls be
6x & 5x
According to the question,
(6x+8)/(5x-2)=11/7
42x + 56 = 55x – 22
78 = 13x
x = 6
Now, 
Number of girls now = 5x – 2 
= 28

Maths Questions for All Teaching Exam:8th May 2019(Solutions)_60.1

S9. Ans.(a)
Sol. Ist friend got → 1/5  of  Total amount
Rest = 1 – 1/5  =  4/5
Ratio → 1/5 :4/5
= 1: 4

Maths Questions for All Teaching Exam:8th May 2019(Solutions)_70.1


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