Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_00.1
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Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_20.1

Q1. A type writer takes 8 hours to type 960 pages. How many pages will it type in 12 hours?
एक टाइप राइटर को 960 पेज टाइप करने में 8 घंटे लगते हैं। 12 घंटे में कितने पेज टाइप होंगे?
(a) 1200
(b) 1440
(c) 2400
(d) None of these / इनमें से कोई नहीं

Q2. If x : y = 1: 2, y : z = 2 : 3 and z : a = 3: 4 find x : y : z : a
यदि x : y = 1: 2, y : z = 2 : 3 और z : a = 3: 4, तो x : y : z : a ज्ञात करें
(a) 3 : 4 : 5 : 6
(b) 9 : 4 : 5 : 6
(c) 1 : 2 : 3 : 4
(d) None of these / इनमें से कोई नहीं

Q3. Two numbers are in the ratio 7 : 8. If 6 is Subtracted from each, the resulting numbers are in ratio 5 : 6. Find the numbers?
दो संख्याएँ 7: 8 के अनुपात में हैं. यदि 6 को प्रत्येक से घटाया जाता है, तो परिणामी संख्याएँ 5: 6 के अनुपात में आती हैं. संख्याएँ ज्ञात करें?
(a) 12, 16
(b)21, 24
(c) 20 , 26
(d) None of these / इनमें से कोई नहीं

Q4. Which of the following numbers should be added to 13, 43, 23, and 73 So that they are in a proportion?
निम्नलिखित में से किस संख्या को 13, 43, 23 और 73 में जोड़ा जाना चाहिए ताकि वे एक समानुपात में हों?
(a) 1
(b) 2
(c) 3
(d) 4

Q5. What Amount (in kg) of 70% and 77% pure rice mixture are mixed to obtain 49kg of 75% pure rice mixture?
75% का 42 किग्रा शुद्ध चावल का मिश्रण प्राप्त करने के लिए किस मात्रा में (किलो में) 70% और 77% शुद्ध चावल मिश्रण बनाया जाएगा?
(a) 14 and 35 kg / 14 और 35 किग्रा
(b) 12 and 18 kg / 12 और 18 किग्रा
(c) 12 and 30 kg / 12 और 30 किग्रा
(d) None of these / इनमें से कोई नहीं

Q6. The side of Rectangle are in ratio 6:5 and its perimeter is 66 cm. The length of the longest side is
आयत की भुजा 6: 5 के अनुपात में है और इसकी परिधि 66 सेमी है. सबसे लंबी भुजा की लंबाई है
(a) 18 cm
(b) 15 cm
(c) 16 cm
(d) None of these / इनमें से कोई नहीं

Q7. Find the duplicate ratio of 7:9
7: 9 का समानार्थी अनुपात ज्ञात करें
(a) 49:81
(b) 343:729
(c) 21:28
(d) 7:21

Q8. An amount of Rs 2320 is distributed among x: y: z in the ratio 9: 13: 7. What is the ratio between the sum of shares of x and y and the sum of share of y and z?
2320 रुपये की राशि 9: 13: 7 के अनुपात में x: y: z के बीच वितरित की जाती है. x और y के हिस्सों के योग और y और z के हिस्सों के योग के बीच का अनुपात क्या होगा?
(a) 10 :9
(b) 8 : 9
(c) 11 : 10
(d) 7 : 10

Q9. The two number are in ratio 2 : 3. If sum of the square two numbers is 20800, find the numbers?
दो संख्याएँ 2: 3 के अनुपात में हैं. यदि दो संख्याओं के वर्ग का योग 20800 है, तो संख्या ज्ञात कीजिए?
(a) 80 and 120 / 80 और 120
(b) 180 and 190/ 180 और 190
(c) 90 and 150 / 90 और 150
(d) 17 and 20 / 17 और 20

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_30.1

(a) 5
(b) 6
(c) 7
(d) 28

Solutions

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_40.1

S2. Ans.(c)
Sol. x : y = 1: 2, y : z = 2 : 3 and z : a = 3: 4
x :y :z :a = 1 :2 :3 :4

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_50.1

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_60.1

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_70.1

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_80.1

S7. Ans.(a)
Sol. duplicate ratio of 7 : 9
= (7)² : (9)²
= 49 : 81

Ratio and Proportion based Mathematics Quiz For CTET Exam : 18th Feb 2020 |_90.1

S9. Ans.(a)
Sol. 4x² + 9x²= 20800
13x² = 20800
x² = 1600
x = 40
Ist no. = 80, IInd no. = 120

S10. Ans.(a)
Sol. 3x + 33 = 4x + 28
5 = x

Recommended video for Ratio and Proportion

https://www.youtube.com/watch?v=mtouHmVtR_4&t=14s

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