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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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What is the value of Cot 45° + Cosec 60°?

A) (√6 + 1)/√3	B) (1 + √3)/2
C) 5/√3	D) (√3 + 2)/√3

A) (√6 + 1)/√3

B) (1 + √3)/2

C) 5/√3

D) (√3 + 2)/√3

Answer & Explanation Answer: D) (√3 + 2)/√3

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1425

The length of the base of an isosceles triangle is 2x2y+4z, and its perimeter is 4x2y+6z. Then the length of each of the equal sides is

A) x+y	B) x+y+z
C) 2(x+y)	D) x+z

A) x+y

B) x+y+z

C) 2(x+y)

D) x+z

Answer & Explanation Answer: D) x+z

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Filed Under: Area
Exam Prep: Bank Exams

1 1425

If Cot θ = 21/20, then what is the value of Cosec θ?

A) 21/29	B) 29/21
C) 20/29	D) 29/20

A) 21/29

B) 29/21

C) 20/29

D) 29/20

Answer & Explanation Answer: D) 29/20

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1425

There are 1400 students in a school, 25% of those wear spectacles and 2/7 of those wearing spectacles are boys. How many girls in the school wear spectacles?

A) 250	B) 100
C) 200	D) 300

A) 250

B) 100

C) 200

D) 300

Answer & Explanation Answer: A) 250

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Filed Under: Percentage
Exam Prep: Bank Exams

4 1425

If X is a prime number, LCM of X and its successive number would be

A) X	B) X (X+1)
C) (X+1)	D) X/(X+1)

A) X

B) X (X+1)

C) (X+1)

D) X/(X+1)

Answer & Explanation Answer: B) X (X+1)

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

3 1425

Select the odd word/letters/number/number pair from the given alternatives.

A) WYA	B) MNO
C) ACE	D) EGI

A) WYA

B) MNO

C) ACE

D) EGI

Answer & Explanation Answer: B) MNO

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 1425

If $a^{3} + b^{3} + c^{3} - 3 abc = 0$ , then the value of $(a^{2} / bc + b^{2} / ac - 3)$ .

A) -c2/ab	B) -c2/bc
C) -c3/ba	D) -c/a

A) -c2/ab

B) -c2/bc

C) -c3/ba

D) -c/a

Answer & Explanation Answer: A) -c2/ab

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1424

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔABC is 98 cm sq, what is the area (in sq cm) of quadrilateral BDEC?