কষে দেখি 3 Solution West Bengal Board : Class 6 Mathematics
West Bengal Board Class 6 Math Solution full Exercise 3 by Experts. Here in this page WB Board Class 6 Student can find Ganit Prabha Class 6 Math Chapter 3 Sonkha Bisoye Juktisommoto Onuman (সংখ্যা বিষয়ে যুক্তিসম্মত অনুমান) Kose Dekhi 3 Solution.
(1) (a) 120= 10
(b) 347 =350
(c) 1324 = 1340
(d) 5968 = 5970
(2) (a) 621 = 600
(b) 483 = 500
(c) 6521 = 6500
(d) 2178 = 2200
(3) (a) 346 = 0
(b) 827 = 0
(c) 6719 = 7000
(d) 8394 = 8000
(4) (a) 37+54
=40+50
=90
(b) 73-48
= 70-50
=20
(c) 24+59
=20+60
=80
(d) 97-38
=100-40
=60
(e) 76-29
= 80-30
50
(f) 66+73
=70+70
=140
(g) 251+175
= 250+180
=430
(h) 462-271
=460-270
=190
(5)
(a) 426+589
=400+600
=1000
(b) 356+435
=400+400
=800
(c) 678-125
=700-100
=600
(d) 1248+4329
=1200+4300
=5500
(e) 170+895
=200+900
=1100
(f) 947+448
=900+400
=1300
(g) 5612+2095
=5600+2100
=7700
(h) 4258-2436
=4300-2400
=1900
(6) (a) 2836+7466
= 3000+7000
= 10,000
(b) 3076+5731
=3000+6000
=9000
(c) 7767+3685
=8000+4000
=12000
(d) 8005+7483
=8000+7000
=15000
(e) 1375+6307
=1000+6000
=7000
(f) 8643+5285
=9000+5000
=14000
(6) (a) 2836 + 7466
= 3000 + 7000
= 10,000
(b) 3076 + 5731
= 3000 + 6000
= 9000
(c) 7767 + 3685
= 8000 + 4000
= 12000
(d) 8005 + 7483
= 8000 + 7000
= 15000
(e) 1375 + 6307
= 1000 + 6000
= 7000
(f) 8643 + 5285
= 9000 + 5000
= 14000
(7)
|
বামপাশ |
ডানপাশ |
| (a) 38 | (c) 40 |
| (b) 78 | (a) 100 |
| (c) 875 | (b) 1000 |
| (d) 1875 | (f) 2000 |
| (e) 279 | (d) 280 |
| (f) 325 | (e) 300 |
