Page 91 - Revised Maths Wisdom Class - 6

Practice Paper - 2 89

We continue doing this?
A = 9963 A = 6642 A = 7641
B = 3699 B = 2466 B = 1467

C = 9963–3699 C = 6642 – 2466 C = 7641–1467
= 6264 = 4176 = 6174
You ill always reach the magic number ‘6174’! The number ‘6174’ is now called the ‘Kaprekar constant’.
Answer the following questions on the basis of above data:

16. Tanya choose the data 8, 2, 6, 0. What will be A?
(a) 8620 (b) 2068 (c) 2860 (d) 6552
17. What will be number B?

(a) 8620 (b) 2068 (c) 2860 (d) 6552
18. What will be number C?

(a) 8620 (b) 2068 (c) 2860 (d) 6552
19. After how many subtraction we will get the Kaprekar constant?
(a) 4 (b) 5 (c) 6 (d) 7

Assertion-Reason Based Questions
Directions for Questions 20 to 21: In each of the questions given below, there are two statements marked
as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false. (d) A is false but R is true.

20. Assertion (A) : 4 is obtained when we divide a whole into seven equal parts and take four parts
7
Reason (R) : A fraction is a number representing part of a whole.

21. Assertion (A) : Five parts out of 8 equal parts is 5 .
8
Reason (R) : The whole may be a single object or a group of objects.

SUBJECTIVE BASED QUESTIONS

22. Subtract 2 1 from 5 1 23. Estimate the product 13 × 89 = ____________
9
4
3
24. Monu bought 5 of ribbon and Reena bought 5 of ribbon. What is the total length of the ribbon
6
they bought?
25. The number 5446 rounded off to the nearest hundredth is _____________________

26. Arrange 11 13 7 5 21 in ascending order. 27. Evaluate 5 + 7 − 1
, ,,
,
6
8
3
9
8 8 8
8
28. Naina takes 4 hours to complete her work. However, Manju takes 7 hours to complete her
9
6
homework who takes less time and how much?
29. Evaluate 13 - 17 - 5
2
3
9