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Fractions and Decimals

Fractions and Decimals
0.0169 / 0.013=?

None of these
130/10
1300/10
13/10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.0169 / 0.0130 = 169 / 130 = 13 / 10 

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

4/5
3/4
1/2
5/6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3 /4 = 0.75, 5/6 = 0.833,1/2 = .5,2/3 = 0.66, 4/5 = 0.8,9/10 = 0.9.clearly 0.8 lies between 0.75 and .833.4/5 lies between 3/4 and 5/6.

Fractions and Decimals
( .009 / ?) = .01

0.009
9
0.09
0.9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let .009 / x = .01;   Then x = .009 / .01=.9 / 1= .9

Fractions and Decimals
Find the value of 1/3 + 1/15 + 1/35 + 1/63 + 1/99 .

10/11
5/11
7/11
9/11

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1/3 + 1/15 + 1/35 + 1/63 + 1/99= [1/3 + 1/15] + 1/35 + 1/63 + 1/99 = [6/15 + 1/35] + 1/63 + 1/99= 45/105 + 1/63 + 1/99 = [3/7 + 1/63] + 1/99= 28/63 + 1/99 = 4/9 + 1/99= 44 + 1/99 = 45/99 = 5/11

Fractions and Decimals
What will be the value of (25.732)² - (15.732)²

416.64
420.64
414.64
418.64

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Can be easily solved with following formula= (25.732 - 15.732 ) x (25.732 + 15.732)=414.64

Fractions and Decimals
12.1212 + 17.0005 - 9.1102 = ?

20.0115
2.00115
2001.15
200.115

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Expression,= (12.1212 + 17.0005) - 9.1102= (29.1217 - 9.1102)= 20.0115.

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