Important Mathematics Questions for MPTET 2020 : 31st January 2020

Maths Questions

Q1. When 40 is subtracted from 40% of a number, the result is 40. The 60% of number is
जब 40 को किसी संख्या के 40% से घटाया जाता है, तो परिणाम 40 होता है। तो संख्या का 60% होगा:
(a) 100
(b) 120
(c) 200
(d) 160

Q2. The ratio of two numbers is 5:7 and their LCM is 350. The sum of the squares of the numbers is
दो संख्याओं का अनुपात 5: 7 है और उनका LCM 350 है. संख्याओं के वर्गों का योग होगा:
(a) 7400
(b) 7000
(c) 4900
(d) 2500

Q3. The perimeter of a rectangle is 320 metre, and the difference of two sides is 96 metre. Find perimeter of a square whose area is equal to the area of this rectangle?
एक आयत की परिधि 320 मीटर है, और दो भुजाओं का अंतर 96 मीटर है. एक वर्ग की परिधि ज्ञात करें जिसका क्षेत्रफल इस आयत के क्षेत्रफल के बराबर है?
(a) 128
(b) 64
(c) 256
(d) None of these/ इनमें से कोई नहीं

Q4. A number being divided by 72 gives remainder 65. If the number is divided by 26, the remainder will be
72 से विभाजित होने वाली संख्या 65 शेषफल देती है. यदि संख्या 26 से विभाजित होती है, तो शेषफल होगा:
(a) 7
(b) 8
(c) 6
(d) 5

Q8. Rahul’s income is greater than Rohit’s income by 25% then the percent by which Rohit’s income is less than Rahul’s income is
राहुल की आय रोहित की आय से 25% अधिक है और फिर रोहित की आय रोहित की आय से कम है तो रोहित की आय राहुल की आय से कम है कितने प्रतिशत कम है?
(a) 25%
(b) 20%
(c) 30%
(d) 40%

Q9. The population of a village 4 years ago was 200000. Due to epidemic in the village, it decreases every year at the rate of 5% per annum. Find its present population
4 साल पहले एक गाँव की जनसंख्या 200000 थी. गाँव में महामारी के कारण, यह हर साल 5% की दर से घटती है. इसकी वर्तमान जनसँख्या ज्ञात करे.
(a) 150000
(b) 175000
(c) 162901.25
(d) None of these/ इनमें से कोई नहीं

Solutions

S4. Ans.(a)
Sol. Let the number = 72
= 72+65
= 137
When 137 divided by 26, the remainder = 7

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