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Class 8 mathematics questions and answers on operation on decimals.
What is the value of 3(#0.6^(2)#-#0.2^(2)#)+2.4 #div# 0.8?
A. 3.96
B. 4.04
C. 4.2
D. 5.4
(6m 33s)
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1.
What is the value of 1.08 #div# (0.09X0.24 )? A. 5 B. 0.05 C. 50 D. 0.5
2.
What is the value of 7.32- (3.07+2.5)? A. 6.75 B. 4.00 C. 2.25 D. 1.75
3.
What is the value of: 0.3 of2.4+3.6-1.2#div# 0.4? A. 1.32 B. 1.5 C. 7.8 D. 6.72
4.
What is the value of # frac{1.5times3-2.4times0.6+2.94}{ 7.2div1.2#? A. 0.02 B. 7.7 C. 8.7 D. 1.0
5.
What is the value of # frac{6.0-0.8times0.5+1.25}{ 0.5#? A. 6.45 B. 7.7 C. 8.7 D. 13.7
6.
What is the value of #frac{0.48times 0.305}{0.006}#? A. 2440 B. 244 C. 24.4 D. 2.44
7.
What is the value of #frac{4+2.5times1.5-1.3}{5}#? A. 0.26 B. 2.85 C. 1.29 D. 1.69
8.
What is the value of #frac{0.05times36.4}{2.5}#? A. 0.0728 B. 0.728 C. 7.28 D. 72.8
9.
What number must be multiplied by 0.04 to get 4? A. 0.01 B. 0.1 C. 10 D. 100
10.
What is the value of 9.55#times# 0.44? A. 4.22 B. 4.202 C. 0.422 D. 0.4202
11.
What is the value of #frac{8.16-(4.08+1.7)}0.2#? A. 1.19 B. 11.9 C. 28.9 D. 35.02
12.
What is the value of #frac{2.4times0.042}{8.4}#? A. 0.0012 B. 0.012 C. 0.12 D. 1.2
13.
What is the value of #frac{15.46-9.08}{1.1times0.4}#? A. 0.145 B. 1.45 C. 14.5 D. 145
14.
What is the value of #frac{0.08times4.27}{2.8}#? A. 0.0122 B. 0.122 C. 1.22 D. 12.2
15.
What is the value of 0.3 0.94+(0.304+0.123 0.4 )? A. 1.3495 B. 1.7725 C. 0.8935 D. 0.60225
16.
What is the value of #frac{0.48times 0.0135}{0.016#? A. 40.5 B. 4.05 C. 0.405 D. 0.0405
17.
What is the value of 5.0- 2.65 #times# 0.001? A. 4.999735 B. 4.99735 C. 4.9735 D. 0.00235
18.
What is the value of #frac{0.31times1.02}{1.2}#? A. 263.5 B. 2.635 C. 0.2635 D. 0.02635
19.
Given that MK=#frac{33times0.4}{8# and K=16. 5 What is the value of M? A. 0.1 B. 1 C. 0.01 D. 10
20.
What is the value of #frac{0.5+0.2times4.1-0.31}{0.02}#? A. 128 B. 60 C. 132.65 D. 50.5
21.
What is the value of 8#div# 0.02+1.35 0.4? A. 400.54 B. 160.54 C. 40.54 D. 405.4
22.
What is the value of 0.6- 0.4#div# 0.23-0.01? A. 0.036 B. 0.044 C. 0.498 D. 0.518
23.
What is the value of #frac{1.5+0.9 of 2.5-1.42}{0.4}#? A. 5.48 B. 5.825 C. 5.88 D. 10.85
24.
What is the value of #frac{8+0.5times0.3-0.05}{0.09}#? A. 9 B. 90 C. 27.7 D. 23.61
25.
What is the value of #frac{2.8-0.5times3.2+3}{0.4}#? A. 4.2 B. 1.8 C. 10.5 D. 25.9
26.
What is the value of 0.77+5.00 of (0.57- 0.33)+0.88 0.4? A. 2.322 B. 1.7368 C. 1.140 D. 0.90592
27.
What is the value of #frac{0.5+0.2div0.25}{0.2}#? A. 14 B. 6.5 C. 4.5 D. 2.75
28.
What is the value of 3(#0.6^(2)#-#0.2^(2)#)+2.4 #div# 0.8? A. 3.96 B. 4.04 C. 4.2 D. 5.4
29.
What is the value of 0.204#div# (0.02#times# 0.17)? A. 0.06 B. 0.6 C. 6 D. 60
30.
What is the value of #frac{0.21times 0.35 times 26.7}{4.9 times0.015 times 8.9}#? A. 0.03 B. 0.3 C. 3 D. 30
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