NCO- Cyber Olympiad (SOF) Class 10: Questions 55 - 58 of 461

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Question 55

Question

MCQ▾

Calculate the area of the shaded portion. The quadrants shown in the figure are each of radius 7 cm. Take .

A Portion Covered by Four Shaded Quadrants

Choices

Choice (4)Response

a.

b.

c.

d.

Question 56

Question

MCQ▾

An exhibition tent is in the form of a cylinder surrounded by a cone. The height of the tent above the ground is 78 m and the height of the cylindrical part is 45 m. If the diameter of the base is 112 m, find the quantity of canvas required to make the tent. Allow 10 % extra for folds and for stitching. Give your answer to the nearest .

A Tent in the Form of a Cylinder Surrounded by a Cone

Choices

Choice (4)Response

a.

b.

c.

d.

Question 57

Question

MCQ▾

Out of the given four letter combinations one is different in some way from the rest. Find the odd one out.

Choices

Choice (4)Response

a.

BCD

b.

FGH

c.

RQD

d.

JKL

Question 58

Question

MCQ▾

Divide ₹ 1320 into three parts in such a way that half of the first part, one-fourth of the second part and one-fifth of the third part are equal. The 1st, 2nd, 3rd parts are respectively.

Choices

Choice (4)Response

a.

600 ₹ , 480 ₹ , 240 ₹

b.

600 ₹ , 240 ₹ , 480 ₹

c.

240 ₹ , 480 ₹ , 600 ₹

d.

260 ₹ , 440 ₹ , 600 ₹