Important Average Questions for UPTET 2019 | 27th December 2019_00.1
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Important Average Questions for UPTET 2019 | 27th December 2019

Important Average Questions for UPTET 2019 | 27th December 2019_40.1

UPTET Exam Practice Mathematics Questions

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. With a proper system, Study Notes, Quizzes, Vocabulary one can quiet his/her nerves and exceed expectations in the blink of an eye. So, for this, we are providing you the daily quiz for all teaching exams i.e TET Exam 2019DSSSBKVSSTET Exam.

Q1. The average of 13 number is 21. If 4 is added to each given number, what will be the new average?
13 संख्याओं का औसत 21 है. यदि दी गई प्रत्येक संख्या में 4 जोड़ा जाता है, तो नया औसत क्या होगा?
(a) 24
(b) 25
(c) 21
(d) 20

Q2. The average of 15 numbers is 40. If each of the numbers is multiplied by 2, find the average of new set of numbers.
15 संख्याओं का औसत 40 है. यदि प्रत्येक संख्या को 2 से गुणा किया जाता है, तो संख्याओं के नए सेट का औसत ज्ञात करें.
(a) 80
(b) 70
(c) 75
(d) 60

Q3. The average salary of entire staff in the office is Rs 150 per month. The average salary of officers is Rs 450 and that of non-officers is Rs 200 . If the number of officers is 15; then find the number of non-officers in the office.
कार्यालय में पूरे स्टाफ का औसत वेतन 150 रु प्रति माह है. अधिकारियों का औसत वेतन 450 रु है और गैर-अधिकारियों का वेतन 200 रु है. यदि अधिकारियों की संख्या 15 है; तो कार्यालय में गैर-अधिकारियों की संख्या ज्ञात करें.
(a) 80
(b) 90
(c) 70
(d) 60

Q4. The average age of all the students of a class is 18 years. The average age of boys of class is 20 years. If the number the girls is 15 years. If the number of girls in the class is 20, then find the number of boys in the class. 
एक कक्षा के सभी छात्रों की औसत आयु 18 वर्ष है. कक्षा के लड़कों की औसत आयु 20 वर्ष है. लड़कियों की औसत आयु 15 वर्ष है. यदि कक्षा में लड़कियों की संख्या 20 है, तो कक्षा में लड़कों की संख्या ज्ञात करें.
(a) 20
(b) 100
(c) 40
(d) 60

Q5. A train travels from A to B at the rate of 15 km per hour and rom B to A at the rate of 45 km per hour. What is the average rate for the whole journey? 
एक ट्रेन 15 किमी प्रति घंटे की दर से A से B तक जाती है और 45 किमी प्रति घंटे की दर से B से A तक घूमती है. पूरी यात्रा की औसत दर क्या होगी?
(a) 22.5
(b) 22.25
(c) 23
(d) 23.25

Q6. A person divides his total route of journey into three equal parts and decide to travel the equal three parts with speeds of 40, 30 and 20 km/h respectively. Find his average speed during the whole journey. 
एक व्यक्ति अपनी यात्रा के कुल मार्ग को तीन बराबर भागों में विभाजित करता है और क्रमशः 40, 30 और 20 किमी / घंटा की गति के साथ तीन भागों की यात्रा करने का निर्णय लेता है. पूरी यात्रा के दौरान उसकी औसत गति का पता लगाएं.
(a) 27.25
(b) 28.69
(c) 27.69
(d) None of the above

Q7. What is the average of even number from 1 to 60?
1 से 60 तक की सम संख्याओं का औसत क्या होगा?
(a) 30
(b) 31
(c) 32
(d) None of these/ इनमें से कोई नहीं

Q8. Find the average of squares of natural numbers till 10.
10 तक प्राकृतिक संख्याओं के वर्गों का औसत ज्ञात कीजिए.
(a) 38.5
(b) 35.0
(c) 28.5
(d) 40.0

Q9. Find the average of cubes of natural numbers till 12.
12 तक प्राकृतिक संख्याओं के घन का औसत ज्ञात करें.
(a) 500
(b) 507
(c) 506
(d) 600

Q10. A cricketer has completed 10 innings and his average is 21.5 runs. How many runs must he make in his next innings so as to raise his average to 24?
एक क्रिकेटर ने 10 पारियां पूरी की हैं और उनका औसत 21.5 रन है. अपनी अगली पारी में उन्हें कितने रन बनाने चाहिए ताकि उनका औसत 24 हो सके?
(a) 39
(b) 50
(c) 30
(d) 49

Solutions

S1. Ans.(b)
Sol. average of 13 number = 21
Total no. of 13 no. = 273
After adding 4 in each no. = 273+52
= 325
New average = 325÷13
=25

S2. Ans.(a)
Sol. the average of 15 no. = 40
The total of 15 no. = 40×15
= 600
Each of the number multiplied by 2
Then the new average = 40×2 (trick average×2)
= 80

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Important Average Questions for UPTET 2019 | 27th December 2019_100.1

Important Average Questions for UPTET 2019 | 27th December 2019_110.1

S10. Ans.(d)
Sol. Average of 10 innings = 21.5
Total run of 10 innings = 21.5×10
=215
Total run of 11 innings =24×11
=264
Run make in 11th inning = 264-215
= 49

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