# Mathematics-Mensuration (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 8 - 9 of 9

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## Question number: 8

» Mathematics » Mensuration

MCQ▾

### Question

AD is a diameter of a circle. Two more circles pass through A and intersect AD in B and C respectively, such that AB and AC are diameters of these circles and AD > AC > AB. If the circumference of the middle circle is average of the circumference of the other two, then given AB = 4 units and CD = 2 units, what is the area, (in sq units) of the largest circle?

### Choices

Choice (4) Response

a.

64 π

b.

16 π

c.

48 π

d.

128 π

## Question number: 9

» Mathematics » Mensuration

MCQ▾

### Question

If the length and breadth of a rectangular plot are increased by and respectively, then the new area is how many times the original area?

### Choices

Choice (4) Response

a.

10

b.

c.

d.

f Page