CTET/ UPTET Exam | Practice Mathematics Questions | 13th September 2019

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.

Q1. Write the number ‘78921092’ in international system.

अंतर्राष्ट्रीय प्रणाली में ‘78921092’ संख्या लिखें

(a) Seventy eight lac ninety two thousand ten hundred and ninety two 

(b) Seven crore eighty nine lac twenty one thousand and ninety two 

(c) Seventy eight million nine hundred twenty one thousand and ninety two

(d) Seven crore eighty nine lac twenty one thousand and ninety two

Q2. A student was told to make the greatest number using the digits 6, 2, 7, 4 and 3 with the condition that every odd number should come two time and every even number should come one time in the number. What is the correct number?

एक छात्र को अंक 6, 2, 7, 4 और 3 का प्रयोग करके इस प्रकार सबसे बड़ी संख्या का निर्माण करने के लिए कहा गया जिस से प्रत्येक विषम संख्या एक बार और प्रत्येक सम संख्या एक बार होनी चाहिए. सही संख्या क्या है?

(a) 77644322

(b) 7664332

(c) 77664432

(d) 7764332

Q3. The greatest number of five digit which starts from 8 and ends with 7 is

पांच अंकों की सबसे बड़ी संख्या जो 8 से शुरू होती है और 7 से समाप्त होती है:

(a) 89997

(b) 88997

(c) 88887

(d) 87987

Q4. In number 97580, if the digits 7 and 5 interchange their places, the difference between the original and the new number is

संख्या 97580 में, यदि अंक 7 और 5 के स्थानों को आपस में बदला जाता है, तो वास्तविक और नई संख्या के मध्य का अंतर है:

(a) 1800

(b) 1080

(c) 1008

(d) 1000

Q5. The difference between the largest 4 digit number and the smallest 3 digit number is

सबसे बड़े 4 अंकों की संख्या और सबसे छोटे 3 अंकों की संख्या के बीच का अंतर है:

(a) 9899

(b) 8999

(c) 9989

(d) 9889

Q6. If 3 4 * 6 8 is to be divisible by 9, then the value of missing digit, * should be

यदि 3 4 * 6 8, 9 से विभाज्य है, तो अज्ञात अंक * है:

(a) 6

(b) 5

(c) 4

(d) 3

(a) 0

(b) 1

(c) 2

(d) 3

(a) Yes / हाँ 

(b) No / नहीं 

(c) Can’t be determined/ निर्धारित नहीं किया जा सकता 

(d) None of the above/. उपरोक्त में से कोई नहीं 

Solutions

S1. Ans.(c)

Sol. In International system, 78921092 can be written as seventy eight million nine hundred twenty one thousand and ninety two.

S2. Ans.(d)

Sol. Given digits — 6, 2, 7, 4 and 3

Odd digits — 7 and 3 which will be used two-two times.

Even digit’s — 6, 2 and 4 which will be used one-one time.

Hence, required greatest number

= 7764332

S3. Ans.(a)

Sol. 89997 is the required number.

S4. Ans.(a)

Sol. ∵ Original number = 97580

New number = 95780

∴ Difference = (97580 – 95780) = 1800

S5. Ans.(a)

Sol. The difference between the largest four-digit number and the smallest three-digit number is 9999 – 100 = 9899.

S6. Ans.(a)

Sol. If 3 4 * 6 8 is to be divisible by 9, then the sum of all digits must be divisible by 9, i.e.,

3 + 4 + * + 6 + 8 = 21 + *. So, the value of * must be 6.

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