Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_00.1
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Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)

Mathematics Questions For All Teaching Exams: 22nd July 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 2019DSSSB ,KVS,STET Exam.

Q1.Find the square root of 1485961.
1485961 का वर्गमूल ज्ञात कीजिये.
(a) 1213
(b) 1219
(c) 1229
(d) 1239
Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_50.1
Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_60.1

Q5.The triangle in which the orthocentre, circumcentre, Incentre and the centroid coincide each other at a point is known as _____________.
त्रिभुज जिसमें एक बिंदु पर लम्बकेन्द्र, परिकेन्द्र, अन्तःकेन्द्र और केन्द्रक एक दूसरे से मेल खाते हैं, को _____________ के रूप में जाना जाता है.
(a) isosceles triangle/ समद्विबाहु त्रिकोण
(b) equilateral triangle/ समभुज त्रिकोण
(c) right angled triangle/ समकोण त्रिकोण
(d) obtuse angled triangle/ अधिककोण त्रिभुज

Q6.If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle.
यदि किसी वृत्त की त्रिज्या को इसके वास्तविक मान से 25% कम कर दिया जाता है, तो वृत्त के क्षेत्रफल में प्रतिशत कमी ज्ञात कीजिये.
(a) 25%
(b) 43.75 %
(c) 50%
(d) 93.75 %

Q7.On decreasing the price of a fan by 40%, its sales increases by 50%. What will be the percentage increase or decrease in its revenue?
एक पंखे की कीमत में 40% कमी करने से इसकी बिक्री में 50% वृद्धि होती है. इसके राजस्व में प्रतिशत वृद्धि या कमी क्या होगी?
(a) 15% increase/वृद्धि
(b) 15% decrease/कमी
(c) 10% decrease/कमी
(d) 10% increase/वृद्धि

Q8.A sum of Rs 2489 is divided among A, B and C such that if Rs 12, Rs 12 and Rs 5 be diminish from the shares of A, B and C respectively, then their shares will be in the ratio of 5 : 3 : 4. What is the new share (in Rs) of C?
A, B और C के मध्य 2489 रूपये की राशि को इस प्रकार बाटा जाता है जिस से यदि क्रमशः A, B और C के शेयरों से 12 रुपये, 12 रुपये और 5 रुपये कम हो जाते हैं, तो उनके शेयर 5: 3: 4 के अनुपात में होंगे. C का नया शेयर क्या है(रूपये में)?
(a) 750
(b) 1060
(c) 1475
(d) 820

Q9.The milk and water in two vessels are in the ratio of 3 : 1 and 7 : 11 respectively. In what ratio should the liquid in both the vessels be mixed to obtain a new mixture containing half milk and half water?
दो पात्रों में दूध और पानी क्रमश: 3:1 और 7:11 के अनुपात में है. दोनों पात्रों के तरल को किस अनुपात में मिलाया जाना चाहिए जिस से नए प्राप्त मिश्रण में दूध और पानी आधी आधी मात्रा में हों?
(a) 5 : 7
(b) 4 : 9
(c) 1 : 1
(d) 4 : 7

Q10.Average of 14 numbers is 32. If the average of last 5 numbers is 26, then what is the average of the remaining numbers?
14 संख्याओं की औसत 32 है. यदि अंतिम 5 संख्याओं की औसत 26 है, तो शेष संख्याओं की औसत ज्ञात कीजिये?
(a) 35.33
(b) 41.33
(c) 27.5
(d) 44.5
Solutions:
S1. Ans.(b)
Sol.
By option = 1219 × 1219 = 1485961
S2. Ans.(c)
Sol.
(a + b)² = a² + b² + 2ab
(a + b)² = 80 + 2×32
a + b =√144 = 12
(a-b)²=a²+b²-2ab
(a-b)²=80-2×32
a – b = 4
Required =(a-b)/(a+b)=4/12=1/3=0.333
Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_70.1
S5. Ans.(b)
Sol.
In equilateral triangle. Orthocentre, circumcentre, Incenter and centroid always coincide each other  at a point inside it 
Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_80.1
Mathematics Questions For All Teaching Exams: 22nd July 2019 (Solutions)_90.1
S10. Ans.(a)Sol.
Total of 14 numbers = 14 × 32 = 448
Total of 5 numbers = 26 × 5 = 130
Total remaining 9 numbers =448 – 130 = 318
Required average =318/9=35.33
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