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CBSE Preparation for classes 3rd to 10th

(1002 Posts)

This thread is dedicated to preparation for classes 3rd to 10th for CBSE board.

Question should not exceed 100 characters.Use add options for multiple choice questions and "Uploadimage/Add related data" for passage text papers.
Question should be at least 10 characters long.
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Nikhilsai Reddy
Shared from Polynomials - 1 on Jun 18, 2023 3:17 PM

What is the value of (a + b)3 + (a - b)3 + 6a(a2 - b2)?

 
6a3
8a3
10a3
12a3
Please type your answer before submitting.

Answer doesnot match

Iswerya
Shared from Play with Patterns on May 23, 2023 7:40 PM

Complete the pattern given below.

 
407
807
607
707
Please type your answer before submitting.

Please clarify

Jaiyad Singh Bhullar
Shared from Probability - 1 (Class - X) on Apr 24, 2023 5:35 PM

Sahil draws a card at random from a pack of well-shuffled cards. Find the probability that it is neither a king nor a red card.

 
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The answer given is wrong

Rahul Biswas
Posted on Jun 17, 2022 10:20 AM

What is the remainder when the polynomial p(x) = 4a3 - " + 14a - 3 is divided by 2a - 1?

 
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Mandeep
Shared from Motion - III on Oct 14, 2020 7:49 PM

A car is moving with a speed of 20 m/s. When brakes are applied, it stops in 10 seconds. Retardation produced by the brakes is ______.

 
4 ms-2
2 ms-2
8 ms-2
20 ms-2
Please type your answer before submitting.

Retardation = speed/time , sign convention ( + for acceleration and - for retardation ).so Retardation = -20/10 m/s/time (in s)=-2 m/s2