6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$Cosec (90 - θ)$

A) tan θ	B) cot θ
C) sec θ	D) cos θ

Answer & Explanation Answer: C) sec θ

Explanation:

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0 68297

Q:

Find the odd one in the given series ?

5-20-25, 10-40-50, 4-15-24, 25-100-125

A) 4-15-24	B) 5-20-25
C) 10-40-50	D) 25-100-125

Answer & Explanation Answer: A) 4-15-24

Explanation:

In each term second two numbers are multiples of the first number. But in 4-15-24 15 is not multiple of 4.

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Exam Prep: AIEEE , Bank Exams , CAT , GATE
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5 68185

Q:

Correct expression of $0.126 \bar{36} = ?$

A) 139/1100	B) 126 361000
C) 1392200	D) 1263610000

Answer & Explanation Answer: A) 139/1100

Explanation:

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5 68113

Q:

Select the odd letters from the given alternatives.

A) ZXV	B) GDA
C) NKH	D) URO

Answer & Explanation Answer: A) ZXV

Explanation:

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0 68078

Q:

Find the odd one out of the series ?

35, 48, 54, 63, 81, 105

A) 63	B) 48
C) 35	D) 81

Answer & Explanation Answer: C) 35

Explanation:

48, 54, 63, 81 and 105 are divisible by 3 but not 35.

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12 67982

Q:

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

A) 720	B) 520
C) 700	D) 750

Answer & Explanation Answer: A) 720

Explanation:

The word 'LEADING' has 7 different letters.

When the vowels EAI are always together, they can be supposed to form one letter.

Then, we have to arrange the letters LNDG (EAI).

Now, 5 (4 + 1) letters can be arranged in 5! = 120 ways.

The vowels (EAI) can be arranged among themselves in 3! = 6 ways.

Required number of ways = (120 x 6) = 720.

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Filed Under: Permutations and Combinations

84 67946

Q:

If $19 x^{2} = 100^{2} - 90^{2}$ , then find the value of x.

A) 10	B) 9
C) 11	D) 12

Answer & Explanation Answer: A) 10

Explanation:

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1 67938

Q:

What is the value of (2 - tan60°) ?

A) -1/√3	B) (√3-4)/2√3
C) -1/2	D) 2-√3

Quantitative Aptitude - Arithmetic Ability Questions

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