Question

F.M-20 1) Find the difference between the largest and the smallest 5-digit number using the digits 0,1 and 3 12) 2) FIND THE SUM: 6 1/3 + 2 5/6 + 3 7/9 [2 3) subtract the difference of 15.13 and 9.7 from their sum. [2] 4) solve:3x+5=11 [2] 5)Define:i)abtuse angle and ii)reflex angle [2) 6) Find the perimeter and area of a rectangle whose length and breadth are 12 cm and 9 cm respectively. [2] 7)Compare the fractions 3/4 and 5/6 [2] 2 2 8)Divide Rs 84 in the ratio 5:7 [2] 9) Find the LCM of 18,24,36 and 45 12 10) Simplify: -21-(-15)+(-9)-5 [2]​

Answer 1

Step-by-step explanation:

Knowing29

Answer Key

Chapter-1

1. (a) One lakh

(b) Ninety nine million nine hundred ninety nine thousand nine hundred ninety nine.

(c) 2 × 10,00,000 + 7 × 1,00,000 + 3 × 10,000 + 0 × 1000 + 1 × 100 + 4 × 10 + 5

(d) 1650

(e) DCCVII

2. Largest number : 5420 Smallest number : 2045

3. (i) 2347 < 2437 < 2473 < 2734 < 2743

(ii) 50725 > 50572 > 50527 > 50275 > 50257

4. Sum = 13,68,514 (Thirteen lakh sixty eight thousand five hundred and fourteen.)

5. Difference = 590,197 (Five hundred ninety thousand one hundred ninety seven.)

6. Total number of plants = 7849

7. –1215

8. Number of glasses = 25

9. (i) 2,000 (ii) 6,000 (iii) 10,50,000 (iv) 20 (v) 8,000

10.

X 1 2 3 4 5 6 7 8 9 10

15 15 30 45 60 75 90 105 120 135 150

16 16 32 48 64 80 96 112 128 144 160

17 17 34 51 68 85 102 119 136 153 170

18 18 36 54 72 90 108 126 144 162 180

19 19 38 57 76 95 114 133 152 171 190

Chapter-2

1. (a) 2339 (b) 25620

2. (a) 21030 (b) 7811

3. (i) ↔ (c) (ii) ↔ (a)     (iii) ↔ (d) (iv) ↔ (b)

4. (i) Position of boy is 7 units (4 + 3 = 7)

(ii) Position of boy is 9 – 3 = 6 units

(iii) Position of boy is 4 × 3 = 12 units