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Class 9 · Mathematics · Expert
→In the sequence (7,12,x,34,51), the differences increase as (5,9,13,17). What is the value of (x)?
Class 9 · Mathematics · Expert
→In the sequence (1,3,7,15,31,\ldots), which term is (127)?
Class 9 · Mathematics · Expert
→In the sequence (1,4,13,40,121,\ldots), each next term is obtained by multiplying the previous term by (3) and adding (1). What is the sixth term?
Class 9 · Mathematics · Expert
→In the sequence (3,4,6,8,12,16,\ldots), two hidden sequences are present. What will be the next term?
Class 9 · Mathematics · Expert
→In the sequence (2,6,12,20,\ldots), (a_n=n(n+1)). Which term is (210)?
Class 12 · Mathematics · Easy
→What is the radian measure of 15°?
Class 12 · Mathematics · Easy
→What is the coterminal angle of 400° between 0° and 360°?
Class 12 · Mathematics · Easy
→\(\frac{2\pi}{3}\) radians is equal to how many degrees?
Class 12 · Mathematics · Easy
→\(\frac{\pi}{6}\) radians is equal to how many degrees?
Class 12 · Mathematics · Easy
→What is the radian measure of 150°?
Class 12 · Mathematics · Easy
→180° is equal to how many radians?
Class 12 · Mathematics · Easy
→A quarter revolution is equal to how many degrees?
Class 12 · Mathematics · Easy
→If rotation is clockwise, what type of angle is formed?
Class 9 · Mathematics · Medium
→In the sequence (15, 12, 7, 0, -9, ...), the differences are (-3, -5, -7, -9, ...). What will be the next term?
Class 9 · Mathematics · Hard
→The sequence (3,12,27,48,75,\ldots) has general term (a_n=3n^2). What is (a_8-a_6)?
Class 9 · Mathematics · Hard
→In the sequence (1,4,13,40,121,\ldots), each next term is (3) times the previous term plus (1). What is the next term?
Class 9 · Mathematics · Hard
→What is the (10)th term of the sequence (8,27,64,125,\ldots)?
Class 9 · Mathematics · Hard
→What is the correct general term for the sequence (2,12,30,56,90,\ldots)?
Class 9 · Mathematics · Hard
→The sequence (2,12,30,56,90,\ldots) does not simply fit (a_n=n(n+1)(?)). Which (a_n) is correct?
Class 9 · Mathematics · Medium
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