Decimal Fraction Questions for AFCAT Exams - 1
Question: 1
$${116}/{8} × {13.5}/{2}$$ = ?
(A) 97.875
(B) 99
(C) 100
(D) None of these
Ans: A
Given expression = $${116}/{8} × {13.5}/{2}$$ = 14.5 × 6.75 = 97.875.
Question: 2
A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can be make out of this cloth?
(A) 280
(B) 300
(C) 360
(D) 380
Ans: B
Length of each piece = $$({1}/{8})$$m = 0.125m.
∴ Required number of pieces = $$({37.5}/{0.125})$$ = $$({375 × 100} / {125})$$ = 300.
Question: 3
14.4 × 16.5 × 8 = ?
(A) 1908.0
(B) 1900.4
(C) 1900.80
(D) 1912.4
Ans: C
144 × 165 × 8 = 190080
Sum of decimal places = 2.
∴ 144 × 16.5 × 8 = 1900.80.
Question: 4
$${4.41 × 0.16} / {2.1 × 1.6 × 0.21}$$ is simplified to
(A) 1
(B) 0.1
(C) 0.01
(D) 10
Ans: A
Given expression = $${441 × 16} / {21 × 16 × 21}$$ = 1.
Question: 5
If 213 × 16 = 3408, then 1.6 × 21.3 is equal to
(A) 34.08
(B) 3.408
(C) 0.3408
(D) 340.8
Ans: A
1.6 × 21.3 = $$({16}/{10} × {213}/{10})$$ = $$({16 × 213}/{100})$$ =$${3408} /{100}$$ = 34.08.
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