6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$If cosA + \cos^{2} A = 1 then the value of \sin^{2} A + \sin^{4} A is$

A) 1/2	B) 1/4
C) 1	D) 0

Answer & Explanation Answer: C) 1

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

In the triangle ABC,∠BAC = 50° and the bisectors of ∠ABC and ∠ACB meets at P. What is the value (in degrees) of ∠BPC?

A) 100	B) 105
C) 115	D) 125

Answer & Explanation Answer: C) 115

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

Deepinder lent Rs 8200 to Jairaj for 16 years and Rs 4900 to Karna for 15 years on simple interest at the same rate of interest and received Rs 19446.5 in all from both of them as interest. The rate of interest per annum is:

A) 10 percent	B) 10.5 percent
C) 9.5 percent	D) 11 percent

Answer & Explanation Answer: C) 9.5 percent

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest of Rs 25000 after 2 years at the same rate?

A) Rs 4080	B) Rs 5100
C) Rs 3060	D) Rs 2040

Answer & Explanation Answer: D) Rs 2040

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the area of quadrilateral ABCD?

A) 300 SQ.CM	B) 306 SQ.CM
C) 312 SQ.CM	D) 316 SQ.CM

Answer & Explanation Answer: D) 316 SQ.CM

Explanation:

Area of quadrilateral ABCD = area of triangle ADC + area of triangle ABC

= 126 + ½ * 9 * 40 = 306

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

If tan π/3c + cosec π/6c = x, then x is

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

Answer & Explanation Answer: C) √3+2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

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

Answer & Explanation Answer: A) 250

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

A) 40000	B) 43000
C) 50000	D) 60000

Quantitative Aptitude - Arithmetic Ability Questions

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