Approximation Test 5-Solved questions with detailed explanations for SSC, IBPS, SBI PO, RRB, RBI, CSE, CGL, CHSL, CDA, CSE, UPSC

21)

What approximate value should come in place of the question mark (?) in the given questions?

(15.001)²=?

[HGB (PO), 2009]

A)
205
B)
196
C)
165
D)
225
E)
298

Discussion

22)

11011÷101÷11=?

[HGB (PO), 2009]

A)
10
B)
15
C)
6
D)
25
E)
20

Answer: Option A

Explanation

Given,

11011÷101÷11=?

It can also be approximated as

11011÷101÷11=?

$= \frac{11000}{10 \times 100}$

= 11 ≈ 10

Hence, Option A is correct.

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Approximation

Discussion

23)

14.001×26.999×7.998=?

[HGB (PO), 2009]

A)
4200
B)
3000
C)
3500
D)
4000
E)
3200

Discussion

24)

8044.986 + 3250.005 + 149.996 =?

[HGB (PO), 2009]

A)
15285
B)
13625
C)
11445
D)
10555
E)
12500

Discussion

25)

927.999÷32.007=?

[HGB (PO), 2009]

A)
21
B)
16
C)
38
D)
35
E)
29

Answer: Option E

Explanation

Given,

927.999÷32.007=?

It Can also be approximated as

927.999÷32.007=?

$\begin{array}{l} 927.999 \div 32.007 \\ ↓ ↓ \\ 928 \div 32 \end{array}$

Hence, Option E is correct.

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Approximation

Discussion

Approximation Test-5 (Approximation of decimal figures)

Answer: Option D

Answer: Option A

Answer: Option B

Answer: Option C

Answer: Option E