Simplify 1.53 + 4.73 + | Simplification Questions & Answers

Q:

Simplify the fraction?

5 (2/7) - 3 (1/14) - 2 (1/14) - 1 (1/7) = ? + 3 (1/17)

A) -4 (1/17)	B) 5 (2/17)
C) -2 (1/17)	D) 3 (3/17)

Answer & Explanation Answer: A) -4 (1/17)

Explanation:

Given fraction is 5 (2/7) - 3 (1/14) - 2 (1/14) - 1 (1/7) = ? + 3 (1/17)

It can be written as

(5 - 3 - 2 - 1) + (2/7 - 1/14 - 1/14 - 1/7) = ? + 3 (1/17)

-1 + 0 - 3 (1/17) = ?

=> ? = -4 (1/17)

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7 37906

Q:

5 + 2 x 10/2 = ?

A) 15	B) 35
C) 10	D) 20

Answer & Explanation Answer: A) 15

Explanation:

Using BODMAS Rule,

First solve division, mutiplication and Addition

So here 10/2 = 5

Then 2 x 5 = 10

Now, 5 + 10 = 15.

Hence, 5 + 2 x 10/2 = 15.

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5 2709

Q:

Simplify the following :

$4 \frac{1}{5} \times 3 \frac{1}{3} + ? = 20 % of 120$

A) 10	B) 24
C) 36	D) 40

Answer & Explanation Answer: A) 10

Explanation:

Given equation can be written as

$\frac{21}{5} x \frac{10}{3} + ? = 24 = > 14 + ? = 24 = > ? = 24 - 14 = > ? = 10$

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1 20256

Q:

Simplify the following expression?

40% of ( $\frac{24}{4} x ?$ ) = 48

A) 24	B) 22
C) 20	D) 18

Answer & Explanation Answer: C) 20

Explanation:

We know that

$40 % = \frac{40}{100} = \frac{2}{5} \Rightarrow \frac{2}{5} x \frac{24}{4} x ? = 48 ? = \frac{48 x 5 x 4}{2 x 24} = 20$

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3 15476

Q:

Derivative of sinx by first principle?

A) -sinx	B) -cosx
C) cosx	D) sinx

Answer & Explanation Answer: C) cosx

Explanation:

Screenshot_(1)1519127168.png image

Thus, the derivative of sinx by first principle is cosx.

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4 3997

Q:

Simplify the following and find the value of ?

$\frac{1}{3} of ? + \frac{4}{7} of \frac{11}{4} of 539 = 31 % of 2000$

A) 1134	B) 1237
C) 1187	D) 1249

Answer & Explanation Answer: A) 1134

Explanation:

$\frac{1}{3} x ? + \frac{4}{7} x \frac{11}{4} x 539 = \frac{31}{100} x 2000 ? = 378 x 3 ? = 1134$

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17 18175

Q:

Simplify $4 \frac{1}{3} + 2 \frac{1}{5} + 4 \frac{1}{4} = ?$

A) 10 47/60	B) 11 45/73
C) 11 47/36	D) 10 35/48

Answer & Explanation Answer: A) 10 47/60

Explanation:

The given equation is in Mixed fraction.

Now to solve this type of fractions,

$4 \frac{1}{3} + 2 \frac{1}{5} + 4 \frac{1}{4} = ? ? = (4 + 2 + 4) + (\frac{1}{3} + \frac{1}{5} + \frac{1}{4}) ? = 10 + \frac{47}{60} ? = 10 \frac{47}{60}$

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9 2952

Q:

$112 \times 5^{4} =$

A) 68947	B) 69874
C) 70000	D) 76000

Answer & Explanation Answer: C) 70000

Explanation:

$112 \times 5^{4} 112 \times {(\frac{10}{2})}^{4} = \frac{112 \times 10000}{2^{4}} = 1120000 / 16$

= 70,000.

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13 4068

Simplify

$\frac{1 . 5^{3} + 4 . 7^{3} + 3 . 8^{3} - 3 x 1.5 x 4.7 x 3.8}{1 . 5^{2} + 4 . 7^{2} + 3 . 8^{2} - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8}$

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Simplify 1.53 + 4.73 + 3.83 - 3 x 1.5 x 4.7 x 3.81.52 + 4.72 + 3.82 - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8

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Simplify

$\frac{1 . 5^{3} + 4 . 7^{3} + 3 . 8^{3} - 3 x 1.5 x 4.7 x 3.8}{1 . 5^{2} + 4 . 7^{2} + 3 . 8^{2} - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8}$