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Quantitative Aptitude - Arithmetic Ability

Quantitative Aptitude - Arithmetic Ability Questions

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If $2^{x + 4} - 2^{x + 2} = 3$ , then the value of x?

A) 0	B) 2
C) -1	D) -2

A) 0

B) 2

C) -1

D) -2

Answer & Explanation Answer: D) -2

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1842

A number is divided by 52, we get 27 as remainder. On dividing the same number by 13, what will be the remainder?

A) 2	B) 7
C) 1	D) None

A) 2

B) 7

C) 1

D) None

Answer & Explanation Answer: C) 1

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams , CAT

0 1842

The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is

A) 29.8	B) 29
C) 29.9	D) 29.5

A) 29.8

B) 29

C) 29.9

D) 29.5

Answer & Explanation Answer: C) 29.9

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Filed Under: Average
Exam Prep: Bank Exams

0 1841

The value of $(x^{\frac{1}{3}} + x^{\frac{- 1}{3}}) (x^{\frac{2}{3}} - 1 + x^{\frac{- 2}{3}})$

A) x-1+x23	B) x+x-13
C) x13+x-1	D) x+x-1

A) x-1+x23

B) x+x-13

C) x13+x-1

D) x+x-1

Answer & Explanation Answer: C) x13+x-1

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1841

How many times in a week does both the hands of the clock will coincide with each other?

A) 84	B) 160
C) 56	D) 168

A) 84

B) 160

C) 56

D) 168

Answer & Explanation Answer: D) 168

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Filed Under: Clocks
Exam Prep: Bank Exams

9 1841

In Δ ABC, the median AD is 8 cm and CB is 16 cm, measure of angle CAB is_____ .

A) 90°	B) 30°
C) 60°	D) 120°

A) 90°

B) 30°

C) 60°

D) 120°

Answer & Explanation Answer: A) 90°

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Filed Under: Area
Exam Prep: Bank Exams

0 1841

What is the simplified value of cosec 2A + cot 2A?

A) sec A	B) sec (A/2)
C) cot A	D) cot2 A

A) sec A

B) sec (A/2)

C) cot A

D) cot2 A

Answer & Explanation Answer: C) cot A

Explanation:

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1841

Ram Naresh got two successive discounts, a bag with a list price of Rs.400 is available at Rs. 160. If the second discount is 20%, find the first discount.