The solution of equation \( (x+1)+(x+4) \) \( +(x+7)+\ldots+(x+28)=155 \) is....
Question The solution of equation \( (x+1)+(x+4) \) \( +(x+7)+\ldots+(x+28)=155 \) is
(A) 1
(B) 2
(C) 3
(D) 4📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
2024-01-29 | .... |
2024-01-29 | Let \( T_{n} \) denote the number of triangles which can be formed using the vertices of a regul.... |
2024-01-29 | In how many ways can a student choose a programme of 5 courses if 9 courses are available&n.... |
2024-01-29 | Find a three-digit number whose consecutive digits form a \( \mathrm{GP}\). If we subtract \(792.... |
2024-01-29 | The arithmetic mean of two positive numbers \( a \) and \( b \) exceeds their geometric mean by .... |
2024-01-29 | The middle term in the expansion of \( \left(x^{2}+\frac{1}{x^{2}}+2\right)^{n} \) is.... |
2024-01-29 | If \( a b^{2} c^{3}, a^{2} b^{3} c^{4}, a^{3} b^{4} c^{5} \) are in \( A P \) then the minimum v.... |
2024-01-29 | The \( \mathrm{AM}\) between two quantities \( a \) and \( b \) is twice a large as their \( \ma.... |
2024-01-29 | The sum of integers from \(1\) to \(100\) that are divisible by \(2\) or \(5\) is equal to.... |
2024-01-29 | Comprehension Type Questions
The first four terms of a sequence are given by \( T_{1}=0, T_{2}=1.... |
2024-01-29 | The solution of equation \( (x+1)+(x+4) \) \( +(x+7)+\ldots+(x+28)=155 \) is.... |
2024-01-29 | The sum of all natural numbers between \(1\) and \(100\), which are multiples of \(3\), is equal.... |
2024-01-29 | The digits of positive integer having three digits are in \( \mathrm{A.P.}\) and their sum is \(.... |
2024-01-29 | The first four terms of a sequence are given by \( T_{1}=0, T_{2}=1, T_{3}=1, T_{4}=2 \). The ge.... |
2024-01-29 | The first four terms of a sequence are given by \( T_{1}=0, T_{2}=1, T_{3}=1, T_{4}=2 \). The ge.... |
2024-01-29 | Three numbers are in \( \mathrm{A.P.}\) such that their sum is \(24\) and sum of their squares i.... |
2024-01-29 | The sum of the first \(100\) terms common to the series \( 17,21,25,29,33, \ldots \ldots \) and .... |
2024-01-29 | The number of terms in the series \( 101+99+97+\ldots+47 \) is.... |
2024-01-29 | Find the \( n^{\text {th }} \) term and \( 19^{\text {th }} \) term of the sequence \( 5,2,-1,-4.... |
2024-01-29 | If \( n^{\text {th }} \) terms of two \( \mathrm{AP's}\) are \( 3 n+8 \) and \( 7 n+15 \), then .... |
2024-01-29 | If \( S_{n} \) denotes the sum of first \( n \) terms of an \( \mathrm{A.P.}\), and \( S_{2 n}=3.... |