Himachal Pradesh OTA N2513 - Free Online Practice Test

81. A sum of money triples in 10 years at S.I. Find rate

Maths

A. 0.1 B. 0.2 C. 0.05 D. None

82. Volume of a frustum-shaped glass

Maths

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

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

Maths

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

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

Maths

A. 180° B. 90° C. 360° D. None

85. A matrix is square if

Maths

A. m<n B. m=n C. m>n D. m=n²

86. Multiplicative inverse of 4−3i

Maths

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

87. 3-digit numbers formed using digits 1–9 (no repetition)

Maths

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

88. If DE ∥ BC, find x

Maths

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

89. Triangle with sides 7, 24, 25 is

Maths

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

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

Maths

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