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Aayushi Rohilla
Subject: Maths
, asked on 26/2/18
find sum all such multiples of 7 which are less than 500
Answer
3
Krisha 💫
Subject: Maths
, asked on 25/2/18
Q.9.(a). Find the sum first n natural numbers.
(b). The first letter of an AP is 5. the last is 45 and the sum is 400. Find the number of terms and the common difference.
Answer
1
Son Ser
Subject: Maths
, asked on 25/2/18
Plzz fast i have exams 2moro. Dont provide any link plzzzzz
Answer
1
Anjali Srivastava
Subject: Maths
, asked on 25/2/18
Pls solve.
Q.25. Find the number of terms of the AP
18
,
15
1
2
,
13
,
.
.
.
.
.
.
,
-
49
1
2
and find the sum of all its terms.
Answer
3
Abhishek
Subject: Maths
, asked on 25/2/18
Solve this:
Q.22. If
a
n
+
1
+
b
n
+
1
a
n
+
b
n
is the A.M between a and b find the value of n.
Answer
1
Sanjana Sachin
Subject: Maths
, asked on 25/2/18
if the sum of the first n terms of two APs is (7n+1) : ( 4n+27) then find the ratio of their 9 th terms i want answer plzz send the answer and dont send any link
Answer
4
Son Ser
Subject: Maths
, asked on 25/2/18
Plzz fast i have exams tomorrow. Don't provide any link plzzz
Q.22. The m th term of an AP is n and the n th term is m. Find the sum of (m + n) terms.
Answer
2
Harsh
Subject: Maths
, asked on 24/2/18
Answer the given question with proper steps.
Answer
2
Shreeram Sankar
Subject: Maths
, asked on 24/2/18
Find the missing pattern
Answer
4
Champ Jee
Subject: Maths
, asked on 24/2/18
Solve this :
43
.
If
a
,
b
,
c
are
in
A
.
P
.
show
that
1
b
+
c
,
1
c
+
a
,
1
a
+
b
are
in
A
.
P
.
Answer
2
Harsh
Subject: Maths
, asked on 23/2/18
Solve the equation (–4) + (–1) + (2) + ...............+
n
= 437
Answer
2
Utkarsh Tyagi
Subject: Maths
, asked on 23/2/18
Q.16. The ratio of the sum of n terms of two A.P's is (7n + 1) : (4n + 27). Find the ratio of their
m
t
h
terms.
Answer
1
Abhishek
Subject: Maths
, asked on 22/2/18
Q.):- The 24
th
term of an A.P. is twice its 10
th
term. Show that its 72
nd
term is 4 times its 15
th
term.
Answer
1
Bhavyaa Trehan
Subject: Maths
, asked on 22/2/18
Q.23. If the sum of the first m terms of an A.P. is n and the sum of first n terms is m. Then, show that the sum of its first (m + n) terms is - (m + n).
Answer
2
अर्कज ..
Subject: Maths
, asked on 22/2/18
A sum of ?2000 is invested at 10% per annum simple interest. Calculate the interestat the endof each year. Show that these interest form an ap .. Using this fact , find the interest at the end of 30 yr.
Answer
1
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What are you looking for?
(b). The first letter of an AP is 5. the last is 45 and the sum is 400. Find the number of terms and the common difference.
Q.25. Find the number of terms of the AP and find the sum of all its terms.
Q.22. If is the A.M between a and b find the value of n.
Q.22. The m th term of an AP is n and the n th term is m. Find the sum of (m + n) terms.