SSC Exams: Advanced Maths Quiz from Previous Year Papers-20

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Question 1

If ΔABC is similar to  ΔDEF such that BC = 3 cm, EF = 4 cm, and the area of ΔABC = 54 cm², then the area of ΔDEF is:

• A66 cm²
• B78 cm²
• C96 cm²
• D54 cm²

Question 2

The inradius of an equilateral triangle is √3 cm, the perimeter of the triangle is

• A18 cm
• B15 cm
• C12 cm
• D6 cm

Question 3

If in a triangle ABC, the angles at B and C are 1.5 and 2.5 times of the angle at A respectively, then angle at B is

• A36 °
• B54 °
• C48 °
• D72 °

Question 4

The radius of the incircle of a triangle whose sides are 9 cm, 12 cm and 15 cm is:

• A9 cm
• B13 cm
• C3 cm
• D6 cm

Question 5

The area of a trapezium is 105 sq. m and, the lengths of its parallel sides are 9 m and 12 m respectively. Find the perpendicular distance between the two parallel sides.  

• A15m
• B12m
• C5m
• D10m

Question 6

If then the value of is :

• A3
• B2
• C4
• D1

Question 7

If 7sin²θ + 3cos²θ = 4, and θ is a positive acute angle; then tanθ is equal to 

• A1/3
• B1/7
• C1/√3
• D√3

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