MCQ: Fractions & Decimals - 3 - SSC CGL MCQ

# MCQ: Fractions & Decimals - 3 - SSC CGL MCQ

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## 15 Questions MCQ Test Quantitative Aptitude for SSC CGL - MCQ: Fractions & Decimals - 3

MCQ: Fractions & Decimals - 3 for SSC CGL 2024 is part of Quantitative Aptitude for SSC CGL preparation. The MCQ: Fractions & Decimals - 3 questions and answers have been prepared according to the SSC CGL exam syllabus.The MCQ: Fractions & Decimals - 3 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MCQ: Fractions & Decimals - 3 below.
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MCQ: Fractions & Decimals - 3 - Question 1

### If 47. 2506 = 4*A + 7/B + 2*C + 5/D + 6*E, then the value of 5*A + 3*B + 6*C + D + 3*E is:

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 1

4*A + 7/B + 2*C + 5/D + 6*E =47.2506
=> 4 * A + 7/B + 2 *C + 5/D + 6*E = 40 + 7 + 0.2 + 0.05 + 0.0006
Comparing the terms on both sides, we get:
4*A = 40, 7/B = 7, 2*C = 0.2, 5/D = 0.05, 6*E = 0.0006
A = 10,
B = 1,
C = 0.1,
D = 100,
E = 0.0001.
5*A + 3*B + 6*C + D + 3*E = (5*10) + (3*1) + (6*0.1) + 100 + (3*0.0001)
= 50 + 3 + 0.6 + 100 + 0.003 = 153.6003

MCQ: Fractions & Decimals - 3 - Question 2

### A tree increases annually by  of its height. By how much will it increase after 2 years, if it stands today 64 cm high?

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 2

= 72 + 9 = 81 cm

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MCQ: Fractions & Decimals - 3 - Question 3

### What decimal of an hour is a second?

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 3

Required decimal:

= 1/60 x 60

= 1/3600 = .00027

MCQ: Fractions & Decimals - 3 - Question 4

Half of 1 per cent written as a decimal is—

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 4

MCQ: Fractions & Decimals - 3 - Question 5

Evaluate:

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 5

MCQ: Fractions & Decimals - 3 - Question 6

The sum of the numerator and denominator of a positive fraction is 11. If 2 is added to both numerator and denominator, the fraction is increased by 1/24. The difference of numerator and denominator of the fraction is

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 6

Let numerator be x, then denominator = 11 – x.

⇒ 528 – 96x = 143 – 24x + x2

⇒ x2 + 72x – 385 = 0

⇒ x2 + 77x – 5x – 385 = 0

⇒ x(x + 77) − 5(x + 77) = 0

⇒ (x - 5) (x + 77) = 0 ⇒ x = 5

Denominator = 11 - 5 = 6

Difference = 6 - 5 = 1

MCQ: Fractions & Decimals - 3 - Question 7

then the value of x is:

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 7

MCQ: Fractions & Decimals - 3 - Question 8

The denominator of a fraction is 3 more than its numerator. If the numerator is increased by 7 and the denominator is decreased by 2, we obtain 2. The sum of numerator and denominator of the fraction is

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 8

Let the original fraction be

x + 7 = 2x + 2

x = 7 − 2 = 5

Required sum = x + x + 3 = 2x + 3 = 10 + 3 = 13

MCQ: Fractions & Decimals - 3 - Question 9

The value of

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 9

Given expression:

= (a - b)
= (0.96 - 0.1)
= 0.86

MCQ: Fractions & Decimals - 3 - Question 10

If one-third of one-fourth of a number is 15, then three-tenth of the number is

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 10

Let the number be x.

x = 15 × 3 × 4 = 180

Now, required number

MCQ: Fractions & Decimals - 3 - Question 11

The number , when written as a fraction and reduced to lowest terms, the sum of the numerator and denominator is

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 11

Required sum = 250 + 99 = 349

MCQ: Fractions & Decimals - 3 - Question 12

Which of the following are in descending order of their value?

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 12

First take LCM of denominators.

Here it is 210.

Then multiply with multiplier that makes denominators 210.

By doing this.

First becomes 70/210, 84/210 and soon.

Hence ans d.

MCQ: Fractions & Decimals - 3 - Question 13

Find a number, one-seventh of which exceeds its eleventh part by 100.

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 13

Let the number be x.

MCQ: Fractions & Decimals - 3 - Question 14

A man spends  of his income on food  of it on house rent and the remaining income which is Rs.630 on other commodities. Find his house rent.

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 14

Suppose total income = Rs.x

x = 7560

MCQ: Fractions & Decimals - 3 - Question 15

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

Detailed Solution for MCQ: Fractions & Decimals - 3 - Question 15

Clearly, 0.8 lies between 0.75 and 0.833.

## Quantitative Aptitude for SSC CGL

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## Quantitative Aptitude for SSC CGL

314 videos|170 docs|185 tests