Power & Logarithm(Bank-Math)Q1

What is the value of (m+n)²- (m-n)²?

1 Mark(s)

m²-n²
n²
M²
2mn
4mn

Bangladesh Bank Officer 2018

Log 36/log 6-

1 Mark(s)

8
2
3
5

If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5?

1 Mark(s)

20.46
21.66
22.35
13.41

Rajshahi Krishi Unnyan Bank SO 2014

A Company employees 15 persons, each working 44 hours a week. If 4 persons are absent, how many hours a week would the rest of the persons have to work to make up the time lost?

1 Mark(s)

60
45
56
48

log √8 / log 8 is equal to:

1 Mark(s)

1/√8
1/8
1/2
1/4

If log a/b + log b/a = log (a + b), then:

1 Mark(s)

a + b = 1
a² - b² = 1
a = b
a - b = 1

The least perfect square, which is divisible by each of 21, 36 and 66 is:

1 Mark(s)

214434
231444
214344
213444

√(0.0169 x ?) = 1.3

1 Mark(s)

100
1000
None of these
10

NCC Bank Ltd. 2011 (MTO)

(4^√p × 16^pq × 2^-2^√p)/ (8^√q × 4^pq × 2^-3^√q) × 4^-pq

1 Mark(s)

5
1
8pq
3
2

Pubali Bank Sr. Officer 2012

Find 8.23 x 10⁹

1 Mark(s)

none of them
8230000000
0.000000823
8.23
0.00000000823

Dhaka Bank Ltd. 2011 (MTO)

If x is negative all BUT which of the following must also be negative?

1 Mark(s)

1/x²
1/x³
1/x
X³
None of these

Pubali Bank Trinee Assistant Teller 2017

. 49x49x49x49 = 7^?

1 Mark(s)

4
7
8
16

(√625/11) x (14/√25) x (11/√196) is equal to:

1 Mark(s)

11
5
6
8

If a = 0.1039, then the value of √(4a² - 4a + 1) + 3a is:

1 Mark(s)

0.1039
1.1039
2.1039
0.2078

The cube root of .000216 is:

1 Mark(s)

.06
.6
77
87

The value of log₂ 16 is:

1 Mark(s)

1/8
8
16
4

Sonali Bank Officer 2014

(√5+√3) (√5-√3) =

1 Mark(s)

3
3/5
2
5

Prime Bank Ltd. MTO 2013

How many years does it take for interest on Tk. 1000 to become equal to the interest on Tk. 20 in 8 years?

1 Mark(s)

20
30
50
cannot be determined
40

Bangladesh Krishi Bank 2017 (Sr. Officer)

If a and b are positive real numbers, then (a⁰ - 3b⁰)⁵ = ?

1 Mark(s)

1
0
-32
-1

The square root of 64009 is:

1 Mark(s)

363
347
253
803

Janata, Sonali & Agrani Bank Recruitment 2008

(√7+√7)²=

1 Mark(s)

28
98
21
49
14

Bangladesh Krishi Bank 2017 (Sr. Officer)

√((16)(20)+(8)(32)) = ?

1 Mark(s)

24
4√20
25
32

What is the square root of 0.00000081?

1 Mark(s)

0.0027
0.0009
0.009
0.09
0.00003

Sonali Bank Officer 2014

a^m÷ aⁿ = কত?

1 Mark(s)

a^m+n
a^n/m
a^m-n
a^m/n

Rupali Bank Officer Cash2018

If logx(1/4) =-2, then x =?

1 Mark(s)

-1/2
1/2
3
2

If log_x y = 100 and log₂ x = 10, then the value of y is:

1 Mark(s)

2¹⁰⁰
2¹⁰
2¹⁰⁰⁰⁰
2¹⁰⁰⁰

Al-Arafah Islami Bank Ltd. (MTO) 2011

If 2ⁿ = 128, then (2ⁿ^–1) (5^n-2) = ?

1 Mark(s)

2(10⁶)
2(10⁵)
5(10⁵)
2(5⁶)

Bangladesh Bank AD 2018

If 4^2x+1=32, then x = ?

1 Mark(s)

4/3
2
3
3/4

Pubali Bank Cash Officer 2019

9³ X(81)² / (27)³ = (3)^?

1 Mark(s)

4
6
5
3

If log 2 = 0.30103, the number of digits in 2⁶⁴ is:

1 Mark(s)

21
20
18
19

Bangladesh Bank 2010 (AD)

Where does p lie if p²<p?

1 Mark(s)

Between -1 and 1
Between 0 and 1
Between -1 and 0
It is always greater than 1
It is always less than 0

Bangladesh Bank 2015 Officer (General Side), Bangladesh Bank AD 2018

If x=y^a, y=z^b and z=x^c, then the value of abc is-

1 Mark(s)

1
3
4
2

If log₁₀ 7 = a, then log₁₀ (1/70) is equal to:

1 Mark(s)

-(1 + a)
1/10a
a/10
(1 + a)^-1

√150+√150=?

1 Mark(s)

20
45
25
600

Trust Bank Ltd. 2010 (AEO)

When 1234 is multiplied by 10^-7, the product will be—

1 Mark(s)

0.01234
None of these
0.00001234
0.0001234
1234000

If log₁₀ 2 = 0.3010, then log₂ 10 is equal to:

1 Mark(s)

1000/301
0.6990
0.3010
699/301

Bangladesh Bank 2010 (AD)

If x³<x²<x then the value of x could be

1 Mark(s)

square root of 3
0
1
1/3

Bangladesh Bank 2010 (AD)

If A³ is odd, which of the following is true?

1 Mark(s)

Both A and B are true
A is odd only
A² is even
A² is odd only

Exim Bank Trainee Officer 2015

If x = 4 then -2²^√x +2=?

1 Mark(s)

-2
None of these
-8
0
-14

Rajshahi Krishi Unnyan Bank SO 2014

If (16)^2x+3 = (4)^3x+6 then x = ?

1 Mark(s)

-3
-1
0
1

If a^x = b^y, then:

1 Mark(s)

log a / log b =y/x
log a/b = x/y
None of these
log a / log b = x/y

If x=5, what the value of (x⁷/x⁵ X X²)?

1 Mark(s)

125
5
625
25

3^x+3^x+3^x=?

1 Mark(s)

9^x//27^x3
3^x+1
3^x3

Bangladesh Krishi Bank 2017 (Sr. Officer)

3^x + 3^x + 3^x = ?

1 Mark(s)

9x
27x²
3^x+1
3x²

√1.5625 = ?

1 Mark(s)

1.25
1.55
1.45
1.05

The value of (1/ log₃ 60 + 1/ log₄ 60 + 1/ log₅ 60) is:

1 Mark(s)

5
60
1
0

If √5 = 2.236, then the value of √5/2 – 10/√5 + √125 is equal to:

1 Mark(s)

5.59
10.062
7.826
8.944

If logx (9/16) = - 1/2, then x is equal to:

1 Mark(s)

256/81
-3/4
81/256
3/4

Bangladesh Bank 2010 (AD)

(10^-15+10^-4)=?

1 Mark(s)

10^-11
10¹⁹
10^-19
10¹¹
10⁶⁰

If x = (√3 + 1)/ (√3-1) and y = (√3 – 1)/(√3+1), then the value of (x² + y²) is:

1 Mark(s)

10
13
15
14

Bangladesh Bank 2009 (AD)

Quantity A= (-6)⁴ and Quantity B = (6)⁵

1 Mark(s)

Quantity A is greater
The relationship indeterminate
Two quantities are equal
Quantity B is Greater
None of these

Janata, Sonali & Agrani Bank Recruitment 2008

(-1)²-(-1)³=

1 Mark(s)

0
2
-1
1
-2

Sonali Bank Ltd, Sr Officer 2010, Sonali Bank Ltd Sr Officer 2014

4ⁿ = 64 হলে n এর মান নিচের কোনটি হবে?

1 Mark(s)

1
4
3
0

Prime Bank Ltd. MTO 2013

(0.3)⁵/(0.3)³=?

1 Mark(s)

1.0
0.09
0.9
0.001
0.01

Bangladesh Bank 2010 (AD)

If x> 0 and x=√(y/x), then what is the value of y in terms of x?

1 Mark(s)

√x
1/x
x³
x√x
x²√x

Exim Bank Trainee Officer 2015

If 33² – 17² = 25k, what is the value of k?

1 Mark(s)

32
None of these
20
16²/25
14²/25

Bangladesh Bank 2010 (AD)

(√25+√25)²=?

1 Mark(s)

130
20
125
100
50

Bangladesh Krishi Bank 2017 (Sr. Officer)

If n = 3⁸-2⁸, Which of the following is NOT a factor of n?

1 Mark(s)

97
35
13
65

Probashi Kallyan Bank SO 2018

For what value of x is 8^(2x-4) = 16^x ?

1 Mark(s)

6
4
3
2

What should come in place of both x in the equation x/√128 = √162/x.

1 Mark(s)

196
144
14
12

Janata Bank 2015 AEO(Teller)

(1000)⁷ / 10¹⁸ =?

1 Mark(s)

1000
100
10000
10

A group of students decided to collect as many paise from each member of group as is the number of membe Tk. If the total collection amounts to Tk. 59.29, the number of the member is the group is:

1 Mark(s)

77
67
57
87

Bangladesh Krishi Bank 2017 (Sr. Officer)

If (0.0015*10^m)/(0.03*10^k) = 5*10⁷ then m-k = ?

1 Mark(s)

7
8
6
9

If log₁₀ 5 + log₁₀ (5x + 1) = log₁₀ (x + 5) + 1, then x is equal to:

1 Mark(s)

1
3
10
5

If log₁₀ 2 = 0.3010, the value of log₁₀ 80 is:

1 Mark(s)

3.9030
1.9030
None of these
1.6020

, Probashi Kallyan Bank SO 2018

If a^x=b, b^y=c and C^z=a, then the value of xyz is:

1 Mark(s)

1/abc
1
abc
0

Exim Bank Trainee Officer 2016

(1000)⁷ ÷10¹⁸=?

1 Mark(s)

1000
10
100
10000

Bangladesh Bank AD (General Side) 2016

(2√27- √75+√12) is equal to:

1 Mark(s)

4√3
3√3
2√3
√3

(√3 – 1/√3)² simplifies to:

1 Mark(s)

3/4
None of these
4/3
4/√3

If log 2 = 0.3010 and log 3 = 0.4771, the value of log₅ 512 is:

1 Mark(s)

3.912
2.870
2.967
3.876

If log 27 = 1.431, then the value of log 9 is:

1 Mark(s)

0.958
0.934
0.945
0.954

Rajshahi Krishi Unnyan Bank SO 2014

√(x√(y√z)) = ?

1 Mark(s)

x^1/2y^1/4z^1/8
X²y⁴z⁸
x^1/2y^1/2z^1/2
√x√y√z

Sonali Bank Officer 2014

5¹²+5¹³ = ?

1 Mark(s)

5²⁵
6(5¹²)
5¹²+5
10²⁵

Sonali Bank Officer 2014

X এর মান কত হলে 2^4x-12= 16 হবে?

1 Mark(s)

4
6
8
2

√27 + √75 =?

1 Mark(s)

8√3
16√3
16
8

Janata Bank Assistant Executive Officer(AEO) 2015

If x = y^a, y = z^b ,z = x^cthen find the value of abc.

1 Mark(s)

3
2
None of these
1

Which of the following statements is not correct?

1 Mark(s)

log₁₀10 = 1
log (1 + 2 + 3) = log 1 + log 2 + log 3
log (2 + 3) = log (2 x 3)
log₁₀1 = 0

Power & Logarithm(Bank-Math)Q1 : Question 1 of 77

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