PYQ Vault

Day 183: CBSE Class 10 Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Statistics. Asked once: 2023 (same type asked 4 times)

    35
    250 apples of a box were weighed and the distribution of masses of the apples is given in the following table :
    Mass (in grams)80 - 100100 - 120120 - 140140 - 160160 - 180
    Number of apples206070xx60
    (i) Find the value of xx and the mean mass of the apples. (ii) Find the modal mass of the apples.

  2. Question 2

    Introduction to Trigonometry. Asked once: 2024 (same type asked 4 times)

    21
    Evaluate : sec⁡245∘−tan⁡245∘sin⁡245∘\dfrac{\sec^2 45^\circ - \tan^2 45^\circ}{\sin^2 45^\circ}

  3. Question 3

    Introduction to Trigonometry. Asked once: 2023 (same type asked 4 times)

    29 (B)
    Prove that sec⁡A(1−sin⁡A)(sec⁡A+tan⁡A)=1\sec A(1 - \sin A)(\sec A + \tan A) = 1.

  4. Question 4

    Probability. Asked once: 2024 (same type asked 4 times)

    8
    Two dice are tossed simultaneously. The probability of getting odd numbers on both the dice is :

    Tap an option to check your answer.

  5. Question 5

    Introduction to Trigonometry. Asked once: 2023 (same type asked 4 times)

    17
    [58sec⁡260∘−tan⁡260∘+cos⁡245∘]\left[\dfrac{5}{8}\sec^2 60^\circ - \tan^2 60^\circ + \cos^2 45^\circ\right] is equal to

    Tap an option to check your answer.