Quantitative Aptitude - Arithmetic Ability Questions

Q:

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

A) 260 B) 52
C) 65 D) 265
 
Answer & Explanation Answer: A) 260

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Q:

ΔABC is right angled at B. If m∠C = 60°, then find the value of (cotA - 1/2).

A) -1/√3 B) (3-√2)/3√2
C) (2√3-1)/2 D) (√2-√3)/√6
 
Answer & Explanation Answer: C) (2√3-1)/2

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Q:

Divya and Kriti have total 46 candies. If Divya has 10 candies more than kriti, then find the total number of candies Divya have?

A) 20 B) 24
C) 28 D) 32
 
Answer & Explanation Answer: C) 28

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Q:

An angle is thrice its complementary angle. What is the measure of the angle?

A) 22.5° B) 135°
C) 45° D) 67.5°
 
Answer & Explanation Answer: D) 67.5°

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Q:

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

A) 66 B) 61
C) 62 D) 64
 
Answer & Explanation Answer: A) 66

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Q:

­ What is the equation of the line if its slope is 3/4 and y­intercept is 5?

A) 3x + 4y = ­-20 B) 3x + 4y = 20
C) 3x ­- 4y = ­-20 D) 3x ­- 4y = 20
 
Answer & Explanation Answer: C) 3x ­- 4y = ­-20

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Q:

ΔABC is right angled at B. BD is an altitude. AD = 3 cm and DC = 9 cm. What is the value of AB (in cm)?

A) 6 B) 5
C) 4.5 D) 5.5
 
Answer & Explanation Answer: A) 6

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Q:

A man misses a train by 1 hour if he travels at a speed of 4 kmph. If he had increased his speed to 5 kmph, he would gave still missed the train by 24 minutes. At what speed should he have travelled so that he reached the station exactly on time?

A) 12 kmph B) 6 kmph
C) 10 kmph D) 8 kmph
 
Answer & Explanation Answer: B) 6 kmph

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