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## CBSE Class 10 Maths Case Study Questions for Class 10 Maths Chapter 1 - Real Numbers (Published by CBSE)

Case Study Questions for Class 10 Maths Chapter 1 - Real Numbers

3. 36 can be expressed as a product of its primes as

c) Neither prime nor composite

2. What is the minimum number of rooms required during the event?

3. The LCM of 60, 84 and 108 is

4. The product of HCF and LCM of 60,84 and 108 is

5. 108 can be expressed as a product of its primes as

Observe the following factor tree and answer the following:

1. What will be the value of x?

2. What will be the value of y?

3. What will be the value of z?

4. According to Fundamental Theorem of Arithmetic 13915 is a

5. The prime factorisation of 13915 is

CBSE Case Study Questions for Class 10 Maths - All Chapters

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CBSE Class 10 Maths Best & Complete Study Material for 2021-2022

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## Case Study Questions Chapter 1: Real Numbers

Case Study Questions/ Passage Based Questions

(ii) Shreya picked up ‘BONUS’ and her question was: Which of the following is not irrational?

(a) `3-4\sqrt{5}` (b) `\sqrt{7}-6` (c) `2+2\sqrt{9}` (d) `4\sqrt{11}-6`

(a) a natural (b) an irrational (c) a whole (d) a rational

(a) a whole (b) a rational (c) an irrational (d) a natural

(v) Preethi picked up `\sqrt{6}` and her question was: Which of the following is not irrational?

(a) `15+3\sqrt{6}` (b) `\sqrt{24}-9` (c) `5\sqrt{150}` (d) None of these

(i) Which of the following rational numbers have a terminating decimal expansion?

(ii) `\frac{23}{2^{3}\times5^{2}}` =

(a) 0.575 (b) 0.115 (c) 0.92 (d) 1.15

(iii) `\frac{441}{2^{2}\times5^{7}\times7^{2}}` is a ______ decimal.

(a) terminating (b) recurring (c) non-terminating and non-recurring (d) None of these

(a) 3 (b) 7 (c) 15 (d) All of these

(v) `\frac{241}{2^{5}\times5^{3}}` is a decimal.

(a) p is odd (b) p is even (c) p is not prime (d) both (b) and (c)

(iv) Find the least positive integer which on adding 1 is exactly divisible by 126 and 600.

(a) 12600 (b) 12599 (c) 12601 (d) 12500

(i) For what value of n, `4^{n}` ends in 0?

(a) 10 (b) when n is even (c) when n is odd (d) no value of n

(a) when n is any even integer (b) when n is any odd integer (c) for all n > 1 (d) only when n=0

(iii) If x and y are two odd positive integers, then which of the following is true?

(iv) The statement ‘One of every three consecutive positive integers is divisible by 3’ is

(a) always true (b) always false (c) sometimes true (d) None of these

(v) If n is any odd integer, then `n^{2}-1` is divisible by

(a) 6120 cm (b) 12240 cm (c) 4080 cm (d) None of these

(a) 1 litres (b) 7 litres (c) 12 litres (d) 18 litres

(a) 1 m 25 cm (b) 75 cm (c) 90 cm (d) 1 m 35 cm

(a) 3 and 2 (b) 2 and 5 (c) 3 and 4 (d) 4 and 5

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## CBSE Class 10 Mathematics Chapter 1 Real Numbers Case Study

Cbse class 10 mathematics chapter 1 real numbers case study questions pdfs.

## Download CBSE Board Class 10 Mathematics Chapter 1 Real Numbers Case Study (Passage Based)

## Case Study Type Questions in Mathematics Chapter 1 Real Numbers Class 10

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## Case Study Questions for Class 9 Maths Chapter 1 Real Numbers

(i) For what value of n, 4 n ends in 0?

(a) 10 (b) when n is even (c) when n is odd (d) no value of n

(a) when n is any even integer (b) when n is any odd integer (c) for all n > 1 (d) only when n=0

(iii) If x and y are two odd positive integers, then which of the following is true?

(a) x 2 +y 2 is even (b) x 2 +y 2 is not divisible by 4 (c) x 2 +y 2 is odd (d) both (a) and (b)

(iv) The statement ‘One of every three consecutive positive integers is divisible by 3’ is

(a) always true (b) always false (c) sometimes true (d) None of these

(v) If n is any odd integer, then n 2 – 1 is divisible by

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## COMMENTS

How many questions did he guess? 3. If answer to all questions he attempted by guessing were wrong and answered 80 correctly, then how many marks he got?

We have provided here case study questions for Class 10 Maths Chapter 1 - Real Numbers. These questions have been published by the CBSE

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Case Study Questions Class 10 from Mathematics Chapter 1 Real Numbers subjects includes all chapters wise questions. A few passages are given in the case study

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Real Numbers Class 10 CBSE | Case Study Questions Class 10 | CBSE Class 10 Maths Chapter 1 | CBSE 2022 | NCERT | B K Sir | @Pradeep

(i) If two positive integers x and y are expressible in terms of primes as x =p2q3 and y=p3q, then which of the following is true?

Case Study Questions: Question 1: Himanshu has made a project on real numbers, where he finely explained the applicability of exponential laws