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

1)

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

$1485 \times ?= 594$

[IOB (PO), 2008]

A)
$\frac{2}{5}$
B)
$\frac{3}{4}$
C)
$\frac{3}{5}$
D)
$\frac{5}{6}$
E)
None of these

Answer: Option A

Explanation

In this question

We follow BODMAS rule,

$\begin{array}{l} \Rightarrow 1485 \times ? = 594 \\ \begin{array}{l} So, 1485 \times ?=594 \end{array} \end{array} ? = \frac{594}{1485} \Rightarrow \frac{2}{5}$

Hence, Option A is correct.

Discussion

2)

$24336 \div ? =78 \times 24$

[SBI (PO), 2008]

A)
6
B)
13
C)
11
D)
17
E)
None of these

Answer: Option B

Explanation

In this question

We apply BODMAS rule,

$\begin{array}{l} 24336 \div ? = 78 \times 24 \end{array} \begin{array}{l} \Rightarrow \frac{24336}{?} = 78 \times 24 \end{array} \begin{array}{l} \Rightarrow ? = \frac{24336}{78 \times 24} \end{array} = \frac{24336}{?} = 13$

Hence, Option B is correct.

Discussion

3)

2116 + 692-?=1111

[Allahabad Bank (PO), 2008]

A)
1667
B)
1677
C)
1687
D)
1697
E)
None of these

Answer: Option D

Explanation

In this question

We apply BODMAS rule

$\begin{array}{l} So, 2116 + 692 - ? = 1111 \\ \Rightarrow 2808-?=1111 \\ \Rightarrow ? = 2808 - 1111 \\ = 1697 \end{array}$

Hence, Option D is correct.

Discussion

4)

$361 \times ? \times 11 = 428868$

[UK GBO (PO), 2007]

A)
105
B)
107
C)
109
D)
111
E)
None of these

Answer: Option E

Explanation

In this question

we apply BODMAS rule,

$\begin{array}{l} \Rightarrow 361 \times ? \times 11 = 428868 \\ \Rightarrow ? = \frac{428868}{361 \times 11} \\ \Rightarrow = \frac{428868}{361 \times 11} = 108 \end{array}$

Hence, Option E is correct.

Discussion

5)

$8226 \div 15 \div 5 = ?$

[Bank of Maharashtra (PO), 2007]

A)
2156
B)
109.68
C)
185.56
D)
2742
E)
None of these

Answer: Option B

Explanation

In this question

We apply BODMAS rule,

$\begin{array}{l} It can be written as \\ = 8226 \times \frac{1}{15} \times \frac{1}{5} \\ = \frac{8226}{75} \\ = 109.68 \end{array}$

Hence, Option B is correct.

Discussion

Simplification-Test 2 (Based on VBODMAS/Decimals)

Answer: Option A

Answer: Option B

Answer: Option D

Answer: Option E

Answer: Option B