Simplification for IBPS PO test 2-Solved questions with detailed explanations for SSC, IBPS PO, SBI PO, RRB, RBI, CSE, CGL, CHSL, CDA, CSE, UPSC

21)

What will come in place of question mark (?) in the following questions?

0.3 + 3+ 3.33+ 3.03+ 333= ?

[NABARD (PO), 2009]

A)
375.66
B)
345.99
C)
375.93
D)
355.96
E)
None of these

Answer: Option E

Explanation

In this question

we apply rule of decimals,

$\begin{array}{l} So, 0.30 \\ 3.00 \\ 3.33 \\ 3.30 \\ 3.03 \\ \frac{+ 333.00}{345.96} \end{array}$

Hence, Option E is correct.

Discussion

22)

$0.01 \times 0.1 - 0.001 \div 10 + 0.01 =?$

[Corporation Bank (PO), 2009]

A)
0.01009
B)
0.0101
C)
0.19
D)
0.109
E)
0.0109

Answer: Option E

Explanation

In this question

we apply rule of decimals to get final value,

$\begin{array}{l} 0 .01 \times 0 .1 - (0 .001 \div 10) + 0 .01 \\ \Rightarrow 0.001 - (0.001 \div 1 0) + 0.01 \\ \Rightarrow 0.001 - 0.0001 + 0.01 \\ \Rightarrow ? = 0.01 1 - 0.0001 \\ = 0.01 1 0 - 0.0001 = 0.0109 \end{array}$

Hence, Option E is correct.

Discussion

23)

28.217 - 14.241 + 6.873 - 2.434 = ?

[ NIA (PO), 2009]

A)
9.419
B)
18.545
C)
16.275
D)
4.669
E)
None of these

Answer: Option E

Explanation

In this question

We follow rule of BODMAS and then solve by rule of decimals

$\begin{array}{l} 28.217 - 14.241 + 6.873 - 2.434 =? \\ \Rightarrow 28.217 + 6.873 - 14.241 - 2.434 = ? \\ \Rightarrow 35.09 - 16.675 =? \\ \Rightarrow 1 8.415 =? \end{array}$

Hence, Option E is correct.

Discussion

24)

$712 + 92 \times 0.50 - 83 =?$

[NIA (PO), 2009]

A)
685
B)
625
C)
635
D)
675
E)
None of these

Answer: Option D

Explanation

In this question

We follow BODMAS rule and then apply Rule of decimals,

$\begin{array}{l} = 712 + 92 \times \frac{1}{2} - 83 = 712 + 46 - 83 \\ = 758 - 83 = 675 \end{array}$

Hence, Option D is correct.

Discussion

25)

$416 \times 38 \times 0.4 =?$

[NIA (PO), 2009]

A)
6424.2
B)
6323.2
C)
6601.2
D)
6182.2
E)
None of these

Answer: Option B

Explanation

In the question

We solve according to rule of decimals

$\begin{array}{l} \Rightarrow 416 \times 38 \times 0.4=? \\ \Rightarrow ?15808 \times 0.4=6323.2 \end{array}$

Discussion

Simplification-Test 2 (Based on VBODMAS/Decimals)

Answer: Option E

Answer: Option E

Answer: Option E

Answer: Option D

Answer: Option B