Question Detail

Simplify
$\begin{aligned} 16-[5-(6+2(7-\overline{8-5}))] \end{aligned}$

Answer: Option B

Explanation:

$\begin{aligned} = 16-[5-(6+2(7-8+5))] \end{aligned}$
(Please check due to overline, sign has been changed)

$\begin{aligned} = 16-[5-(6+2 \times 4))] \end{aligned}$

$\begin{aligned} = 16-[-9] = 16 + 9 = 25 \end{aligned}$

1. In a class free notebooks were distributed among all the children. Each child got notebooks which were one-eighth of the number of children. If number of children been half, then each child would have recieved 16 notebooks in total. Find the total number of books distributed.

Answer: Option B

Explanation:

Let suppose total number of students in class are X.
Then from the question we can conclude it that,

$\begin{aligned} X*\frac{1}{8}X = \frac{X}{2}*16 \\ => X = 64\\ \text{Total notebooks,} \\ = \frac{1}{8}X^2 \\ = \left( \frac{1}{8} * 64 * 64 \right) \\ = 512 \end{aligned}$

2. Simplfy
b - [b -(a+b) - {b - (b - a+b)} + 2a]

Answer: Option D

Explanation:

b-[b-(a+b)-{b-(b-a+b)}+2a]
=b-[b-a-b-{b-(2b-a)}+2a]
=b-[-a-{b-2b+a}+2a]
=b-[-a-{-b+a}+2a]
=b-[-a+b-a+2a]
=b-[-2a+b+2a]
=b-b
=0

3. 3640 ÷ 14*16 + 340 = ?

3500
4500
1500
2500

Answer: Option B

4. Simplify
$\begin{aligned} 1+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = ? \end{aligned}$

Answer: Option A

Explanation:

By taking LCM we get
=

$\begin{aligned} \frac{28+14+7+4+2+1}{28} = \frac{56}{28} = 2\end{aligned}$

5. $\begin{aligned} 3034 -(1002 \div 20.04) = ? \end{aligned}$

1964
1984
2964
2984

Answer: Option D

Explanation:

$\begin{aligned} = 3034 -( \frac{1002}{2004} \times 100) \end{aligned}$

$\begin{aligned} = 3034 - 50 = 2984 \end{aligned}$

Question Detail

Simplify
$\begin{aligned} 16-[5-(6+2(7-\overline{8-5}))] \end{aligned}$

1. In a class free notebooks were distributed among all the children. Each child got notebooks which were one-eighth of the number of children. If number of children been half, then each child would have recieved 16 notebooks in total. Find the total number of books distributed.

2. Simplfy
b - [b -(a+b) - {b - (b - a+b)} + 2a]

3. 3640 ÷ 14*16 + 340 = ?

4. Simplify
$\begin{aligned} 1+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = ? \end{aligned}$

5. $\begin{aligned} 3034 -(1002 \div 20.04) = ? \end{aligned}$

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Question Detail

Simplify 16−[5−(6+2(7−¯8−5))]\begin{aligned} 16-[5-(6+2(7-\overline{8-5}))] \end{aligned}

1. In a class free notebooks were distributed among all the children. Each child got notebooks which were one-eighth of the number of children. If number of children been half, then each child would have recieved 16 notebooks in total. Find the total number of books distributed.

2. Simplfy b - [b -(a+b) - {b - (b - a+b)} + 2a]

3. 3640 ÷ 14*16 + 340 = ?

4. Simplify 1+12+14+17+114+128=?\begin{aligned} 1+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = ? \end{aligned}

5. 3034−(1002÷20.04)=?\begin{aligned} 3034 -(1002 \div 20.04) = ? \end{aligned}

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Simplify
$\begin{aligned} 16-[5-(6+2(7-\overline{8-5}))] \end{aligned}$

2. Simplfy
b - [b -(a+b) - {b - (b - a+b)} + 2a]

4. Simplify
$\begin{aligned} 1+\frac{1}{2}+\frac{1}{4}+\frac{1}{7}+\frac{1}{14}+\frac{1}{28} = ? \end{aligned}$

5. $\begin{aligned} 3034 -(1002 \div 20.04) = ? \end{aligned}$