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RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise

March 14, 2019 by Fazal Leave a Comment

RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise is part of RBSE Solutions for Class 5 Maths. Here we have given Rajasthan Board RBSE Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 5
Subject Maths
Chapter Chapter 17
Chapter Name Mental Mathematics
Exercise In Text Exercise
Number of Questions 3
Category RBSE Solutions

Rajasthan Board RBSE Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise

Page No. 94
Practice
Question 1.
Identify the right answer.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 1
(a) 483
(b) 683
(c) 883
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 2
(a) 495
(b) 345
(c) 265
Solution.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 3
In the given question first number is in(RBSESolutions.com)between 406 to 496 and second number is in between 30 to 39. Sum of these approximately in between 430 to 550. (a) 483 comes in between these, therefore option (a) 483 is right answer.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 4
In the given question first number may be in between 390 to 399 and second(RBSESolutions.com)bnumber may be in between 102 to 192. Estimate total of these in between 490 to 600. Only one option (a) 495 is in between given option. Hence option (a) 495 is correct answer.

RBSE Solutions

Question 2.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 5
Solve and find correct option.
(a) 572
(b) 613
(c) 512
Solution.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 6.
In this practice first number is 750 or more than 750 and less than 760. Whereas second number is 205 or more than this and less than 295. When we subtract 205 or any other number greater(RBSESolutions.com)than this from the number which is less than 760. We will never get 572 and 613 also cannot be obtained. Therefore among all, (c) 512 is the right answer.

RBSE Solutions

Question 3.
Find out the digit which comes in place of in following questions.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 7
Solution.
(a) 5 will come in the first box because when we add 5 tens in 8 tens we will get 13 tens and after writing the ones place digit 3 in answer we will take 1 as carry over the next column. On adding 4 hundred, 2 hundred(RBSESolutions.com)and 1 hundred of carry we will get 7 hundred.
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 8
(b) Similarly
RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise image 9

RBSE Solutions

We hope the RBSE Solutions for Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise will help you. If you have any query regarding Rajasthan Board RBSE Class 5 Maths Chapter 17 Mental Mathematics In Text Exercise, drop a comment below and we will get back to you at the earliest.

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