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Snehal Bhargava X-D MATHS QUIZ

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it is a simple MCQ quiz of maths with animations. so its better to be seen along with the animations

### Transcript of Maths quiz

Snehal Bhargava

X-D

MATHSQUIZ

CHOOSE A QUIZ FROM THE LIST:

Real Numbers

Arithmetic Progressions

Introduction to Trigonometry

REAL NUMBERS

a) 77/210 b) 23/8c) 17/8 d) 35/50

1. Which of the following has a non-terminating decimal expansion?

2. If p, q are two consecutive natural numbers, then HCF(p, q) is -

a) p b) qc) 1 d) pq

3. Which of the following is not an irrational number –

a) 5 - √3 b) 5 + √3c) 4 + √2 d) 5 + √9

4. The decimal expansion of π is –

a) Terminating b) Non Terminating Repeatingc) Non Terminating Non Repeating d) None Of These

5. If HCF of 60 and 168 is 12, then LCM is –

a) 480 b) 240c) 420 d) 840

INDEX

ARITHMETIC PROGRESSIONS

a) 6 b) 7c) 20 d) 28

1. In an AP, if d= -4, n = 7, an = 4, then a =

2. The sum of first five multiples of 3 is –

a) 45 b) 65c) 75 d) 90

3. For AP, T18 – T8 –

a) d b) 10dc) 26d d) 2d

4. (1) + (1 + 1) + (1 + 1 + 1) + …. + (1 + 1 + 1 + … n - 1 times) =

a) n(n + 1)/2 b) n(n - 1)/2c) n² d) n

INDEX

5. If an AP has a=1, tn=20and Sn=399, then value of n is

a) 20 b) 32c) 38 d) 40

INTRODUCTION TO TRIG

a) 13/5 b) 17/5c) 14/5 d) 1

1. If cot A=12/5, then the value of (sin A + cos A)cosec A =

2. If sin θ = cos θ, then θ =

a) 0° b) 45°c) 30° d) 90°

3. Sin(60°+θ) – cos(30°-θ) =

a) 2cosθ b) 2sinθc) 0 d) 1

4. In sin3θ = cos (θ-26°), where 3θ and (θ-26°) are acute s, then value of ∠ θ is –

a) 30° b) 29°c) 27° d) 26°

INDEX

5. The value of [(cos A/cot A) + sin A] is –

a) cot A b) 2cos Ac) 2sin A d) sec A