Aptitude - Decimal Fraction - Discussion

Discussion Forum : Decimal Fraction - General Questions (Q.No. 5)
5.
If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?
0.172
1.72
17.2
172
Answer: Option
Explanation:

29.94 = 299.4
1.45 14.5

= 2994 x 1 [ Here, Substitute 172 in the place of 2994/14.5 ]
14.5 10

= 172
10

= 17.2

Discussion:
35 comments Page 2 of 4.

Vikas said:   1 decade ago
Hey, my calculator says 2994/14.5 = 206.4827586206897.

How you people substitute it with 172? please tell me.

Pragati said:   1 decade ago
@Vikas.

Because its already mentioned in the question that 2994/14.5 = 172.

After calculations when we get this value. We substitute it to 172.

Vijj said:   1 decade ago
@Deepa.

Your explanation simple and good.

Varsha rani said:   10 years ago
Hey I can not understand how answer is 17.2?

Nayana said:   10 years ago
Hai, here is simple method.

100 should be multiplied with 29.94 to become - 2994.

10 should be multiplied with 1.45 to become - 14.5.

Hence (29.94/1.45)*(100/10) = 2994/14.5.

We know that 2994/14.5 = 172.

So (29.94/1.45)*(100/10) = 172.

When we transfer (100/10) to right side it becomes (10/100).

So (29.94/1.12) = 172 (10/100).

i.e, (29.94/1.12) = 172 (1/10).

i.e, (29.94/1.12) = 172/10.

i.e, (29.94/1.12) = 17.2.
(1)

JASPAL said:   10 years ago
Friends I'm unable to understand how 2994/14.5 = 172.

My calculator says 2994/14.5 = 206.4827586206897.

Parul said:   9 years ago
Why are we multiplying it with 10?

Shwetha said:   9 years ago
2994 ÷ 14.5 = 172.

I can't understand how come in 172? Please tell me.
(1)

Chandra rai said:   8 years ago
How to do solve it 2994 ÷ 14.5 = 172.
29.94 ÷ 1.45 = ?.

S.SASIKUMAR said:   8 years ago
2994 ÷ 14.5=206.48 and 29.94 ÷ 1.45 = 20.6 above the four options are not correct.

If the answer is 2994 ÷ 14.5 = 172 without any calculation based on the decimal value the answer is 17.2 is correct otherwise, the proper calculation the answer is not correct.


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