O Maths Practice Set 7 | Interactive MCQ Mock Test

1. Volume of a frustum-shaped glass

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A. 1/3 πr²h B. 1/2 πh(r₁²+r₂²+r₁r₂) C. 1/3 πh(r₁²+r₂²+r₁r₂) D. 4/3 πr³

2. If P(E)=0.995, find P(Not E)

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A. 0.05 B. 0.005 C. 0.0005 D. None

3. Sum of interior angles made on same side of transversal

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A. 180° B. 90° C. 360° D. None

4. A matrix is square if

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A. m<n B. m=n C. m>n D. m=n²

5. Multiplicative inverse of 4−3i

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A. 4+3i B. (4/25)+(3/25)i C. 25 D. None

6. 3-digit numbers formed using digits 1–9 (no repetition)

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A. 208 B. 504 C. 4536 D. None

7. If DE ∥ BC, find x

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A. 2 cm B. 4.5 cm C. 3 cm D. None

8. Triangle with sides 7, 24, 25 is

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A. Equilateral B. Isosceles C. Right Angle D. None

9. If 20% of a = b, find b% of a

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A. 4% of a B. 6% of a C. 8% of a D. 10% of a

10. Standard deviation is a measure of

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A. Chance B. Central tendency C. Deviation from mean D. None

Odisha Maths - Practice Mock Test Set 7