What is the number of decimal places of 17.009 and 5.78?
a) 3 and 1
b) 2 and 2
c) 3 and 2
Solution: 17.0 0 9 = 3 and 5.7 8 = 2
Which one among the following is like decimal?
a) 34.5, 310.10
b) 3.17, 10.25
c) 110.220, 5.4620
d) None of these
Solution: 3.1 7 decimal place number= 2
10.2 5 decimal place number = 2
Both are same. So b option is like decimals.
Like decimal of 14.653 is…………….
a) 14.3
b) 30.65
c) 175.332
Solution: 14.653 decimal place number= 3
Option “c” decimal place number = 2
Both are same. So “c” option is like decimals.
40.3 + 14.653 = ?
a) 54.953
b) 54.656
c) 54.683
d) 4.72
Solution: 1st make 40.3 like decimal = 40.300
40.300 + 14.653 = 54.953
33.7 ̶ 29.8564 = ?
a) 4.5243
b) 3.8436
c) 3.4753
Solution: First make both like decimal, then 29.8564 subtract from 33.7000
Identify unlike decimal pairs?
a) 4.23, 4.573
b) 29.34, 67.15
c) 20.5, 210.5
Solution: b, c, d all has same decimal place number with each pair, but “a” have not same decimal place number.