Dev Bhardwaj NCERT Solution class 7 Mathematics EXERCISE- 8.2 CHAPTER – 8 EXERCISE – 8.2 Q1. Find the ratio of: (a) Rs 5 to 50 paise (b) 15 Kg to 210 g (c) 9 m to 27 cm (d) 30 days to 36 hours SOLUTION:- (a) We know that, Rs 1 = 100 paise Then, … Read more NCERT Solution class 7 Mathematics EXERCISE- 8.2
NCERT Solution class 7 Mathematics EXERCISE- 7.2 CHAPTER – 7 EXERCISE – 7.2 Which congruence criterion do you use in the following? (a) Given: AC = DF AB = DE BC = EF So, ΔABC ≅ ΔDEF Solution:- By SSS congruence property:- Two triangles are congruent if the three sides of one … Read more NCERT Solution class 7 Mathematics EXERCISE- 7.2
Karwa choth Special Shahi Paneer/कुछ ही दिनों में करवा चौथ ,अहोई अष्टमी ,दिवाली आने वाली है। ऐसे में आप शाही पनीर एक बार जरूर से ट्राई करे। आपके घर की खुशियों में चार चाँद लग जायेगे। शाही पनीर बनाने की सामग्री :- पनीर -250 ग्राम दही -3 चम्मच टमाटर -3 -4 पीस हरी मिर्च … Read more Karwa choth Special Shahi Paneer
NCERT Solution class 7 Mathematics EXERCISE- 3.2 CHAPTER – 3 EXERCISE – 3.2 Q1. The scores in mathematics test ( out of 25) of 15 students is as follows: 19,25,23,20,9,20,15,10,5,16,25,20,24,12,20 Find the mode and median of this data. Are they same? SOLUTION:- Arranging the given scores in an ascending order, we get … Read more NCERT Solution class 7 Mathematics EXERCISE- 3.2
NCERT Solution class 7 Mathematics EXERCISE- 3.1 CHAPTER – 3 EXERCISE – 3.1 Q1. Find the range of heights of any ten students of your class. SOLUTION:- Let us assume heights (in cm) of 10 students of our class. = 130,132,135,137,139,140,142,143,145,148,. By observing the above mentioned values , the lowest value is … Read more NCERT Solution class 7 Mathematics EXERCISE- 3.1
NCERT Solution class 7 Mathematics EXERCISE- 2.7 CHAPTER – 2 EXERCISE – 2.7 Q1. Find: (i) 0.4 ÷2 SOLUTIONS:- = 0.2 (ii) 0.35 ÷ 5 SOLUTION:- = 0.07 (iii) 2.48 ÷ 4 SOLUTION:- = 0.62 (iv) 65.4 ÷ 6 SOLUTION:- = 80.4 (v) 651.2 ÷ 4 SOLUTION:- = 0.35 … Read more NCERT Solution class 7 Mathematics EXERCISE- 2.7
NCERT Solution class 7 Mathematics EXERCISE- 2.6 CHAPTER -2 EXERCISE -2.6 Q1. Find: (i) 0.2 x 6 SOLUTION:- We have, = (2/10) x 6 = (12/10) On dividing a decimal by 10,the decimal point is shifted to the left by one place . Then, = 1.2 (ii) 8 x … Read more NCERT Solution class 7 Mathematics EXERCISE- 2.6
NCERT Solution class 7 Mathematics EXERCISE- 2.5 CHAPTER – 2 EXERCISE – 2.5 Q1. Which is greater? (i) 0.5 or 0.05 SOLUTION:- = 0.5 > 0.05 (ii) 0.7 or 0.5 SOLUTION:- = 0.7 > 0.5 (iii) 7 or 0.7 SOLUTION:- = 7 > … Read more NCERT Solution class 7 Mathematics EXERCISE- 2.5
NCERT Solution class 7 Mathematics EXERCISE- 2.4 CHAPTER – 2 EXERCISE – 2.4 Q1. Find: (i) 12 ÷ ¾ SOLUTION:- We have, = 12 x 4/3 = 16 (ii) 14 ÷ 5/6 SOLUTION:- = 14 X 6/5 = 84/5 (iii) 8 ÷ 7/3 SOLUTION:- … Read more NCERT Solution class 7 Mathematics EXERCISE- 2.4
NCERT Solution class 7 Mathematics EXERCISE- 2.3 CHAPTER – 2 EXERCISE – 2.3 Q1. Find: (i) ¼ of (a) ¼ SOLUTION:- = 1/16 (B) 3/5 SOLUTION:- = 3/20 (C) 4/3 SOLUTION:- = 4/12 (ii) 1/7 of (a) 2/9 SOLUTION:- 2/63 (B) 6/5 SOLUTION:- = 6/35 (C) 3/10 SOLUTION:- = 3/70 Q2. Multiply … Read more NCERT Solution class 7 Mathematics EXERCISE- 2.3