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Fractions and Decimals

Fractions and Decimals
If 1 / 3.718 = .2689, then the value of 1 / .0003718 is ?

2689
268903
268
26890

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1 / .003718 = 10000 / 3.718 = 10000 x ( 1/3.718)= 10000 x .2689 = 2689.

Fractions and Decimals
0.8 x ? =0.0004

0.005
0.0005
0.05
0.00005

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005

Fractions and Decimals
What decimal fraction is 40 ml of a litre ?

4
.004
.04
.0004

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Required fraction = 40/1000= 4/100 = .04

Fractions and Decimals
Which of the following fraction is the smallest ?

3/7
9/11
5/7
11/13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

11/3 = 0.846,9/11 = 0.818,3/4 = 0.75 and 5/7 = 0.714Clearly, 0.714 is the smallest and hence 5/7 is smallest fraction .

Fractions and Decimals
(0.2 * 0.2 + 0.01) ( 0.1 * 0.1 + 0.02)^(-1) is equal to :

5/3
4/3
6/3
7/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given = (0.2 * 0.2 + 0.01) / ( 0.1 * 0.1 + 0.02)= (0.04 + 0.01) / (0.01 + 0.02) = 0.05 / 0.03= 5/3...

Fractions and Decimals
Which of the following fractions is greater than 3/4 and less than 5/6?

2/3
1/2
4/5
9/10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3/4 = 0.75,  5/6= 0.833,  1/2= 0.5,   2/3= 0.66,4/5= 0.8,   9/10= 0.9. Clearly, 0.8 lies between 0.75 and 0.833.4/5 lies between 3/4 and 5/6. 

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