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Study the histogram of marks (in Mathematics) distribution of 50 students of class IX and answer the following questions.

The number of students who have secured marks less than 60 is

A) 12	B) 15
C) 33	D) 7

A) 12

B) 15

C) 33

D) 7

Answer & Explanation Answer: C) 33

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Filed Under: Line Charts
Exam Prep: Bank Exams

The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. The height of the tower is

A) 4 m	B) 7 m
C) 9 m	D) 6 m

A) 4 m

B) 7 m

C) 9 m

D) 6 m

Answer & Explanation Answer: D) 6 m

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Filed Under: Height and Distance
Exam Prep: Bank Exams

Radius of cross section of a solid right circular cylindrical rod is 3.2 dm. The rod is melted and 44 equal solid cubes of side 8 cm are formed. The length of the rod is (Take Π = 22/7)

A) 56 cm	B) 7 cm
C) 5.6 cm	D) 0.7 cm

A) 56 cm

B) 7 cm

C) 5.6 cm

D) 0.7 cm

Answer & Explanation Answer: B) 7 cm

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

If $θ$ is positive acute angle and $7 \cos^{2} Ɵ + 3 \sin^{2} Ɵ = 4$ , then the value of $θ$ is

A) 60°	B) 30°
C) 45°	D) 90°

A) 60°

B) 30°

C) 45°

D) 90°

Answer & Explanation Answer: A) 60°

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Filed Under: Simplification
Exam Prep: Bank Exams

The length of a chord which is at a distance of 12 cm from the centre of a circle of radius 13 cm is

A) 10 cm	B) 5 cm
C) 6 cm	D) 12 cm

A) 10 cm

B) 5 cm

C) 6 cm

D) 12 cm

Answer & Explanation Answer: A) 10 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

In an isosceles triangle ABC, AB = AC and ∠A = 80°. The bisector of ∠B and ∠C meet at D. The ∠BDC is equal to

A) 90°	B) 100°
C) 130°	D) 80°

A) 90°

B) 100°

C) 130°

D) 80°

Answer & Explanation Answer: C) 130°

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

The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?