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Mohammed Yaseen
Subject: Math
, asked on 18/5/19
If the number of ways of selecting n cards out of an unlimited number of cards bearing the number 0,9,3, so that they cannot be used to write the number 903 is 93,find n
Answer
1
Ayan Maity
Subject: Math
, asked on 17/6/19
If sinx, cosx and tanx are in GP, then find cos^9x+cos^6x+3cos^5x-1=?
Answer
1
Ananya Paliwal
Subject: Math
, asked on 20/10/18
Let U be the set of all digits, A= {x:x is an odd integer}, B={x:x is an even integer} and C={x:x less than equal to 5}. Find A intersection (B U C).
Answer
1
Vp
Subject: Math
, asked on 28/2/19
Two pith balls of mass 10 milligrams each are suspended by the two Threads from the same support or charged identically if they move apart by 0.08 and Threads make an angle 60° with each other find the charge on each Pitbull
Answer
1
Shreya Mondal
Subject: Math
, asked on 13/6/17
The angles in each of two triangles are in G.P. The least angle of one of them is three times the least angle in the other, and the sum of the greatest sngles is 4?/3. Find the circular mesures of the angles.
Question no. 23
Answer
1
Ashu Sharma
Subject: Math
, asked on 7/5/19
If y =x tanx/2, then prove dy+dx =x +sinx+1+cosx
Answer
1
Swapnil
Subject: Math
, asked on 18/3/19
Out of 8 outstanding students of the school in which there are 3 boys and 5 girls, 4 are to be selected. What is the prob that there are 2 boys and 2 girls in the team?
Answer
1
Rose Mary Johnson
Subject: Math
, asked on 24/4/16
In an infinite G.P., every term is equal to the sum of all terms that follow it. Find r
Answer
1
Lakshmi
Subject: Math
, asked on 27/11/18
The present value of Rs.10000 due in 2 years at 5+ p.a. compound interest when the interest is paid on haLf yearly basis is Rs. (a) 9070 (b) 9000 (c) 9061 (d) None
Answer
1
Bismaya Bihari Behura
Subject: Math
, asked on 20/3/19
a ball with charge -50e is placed at the centre of a hollow spherical shell has a net charge of - 15e what is the charge on the shell outer surface?
Answer
1
Sameer Alam
Subject: Math
, asked on 12/6/16
If (9root3 + 11root2)^1/3 = roota +rootb then,
A a=root3
B a=3
C b=3
D b=root2
Answer
1
Satabdi Puzari
Subject: Math
, asked on 20/2/19
Find √98 correct to 3 decimal places by using binomial theorem.
Answer
1
Aravind
Subject: Math
, asked on 18/6/19
3sin inverse 5/13 = tan inverse 2035/828
Answer
1
Nabhitha Balachandar
Subject: Math
, asked on 26/2/20
Pls explain the answer
Answer
1
Chearasangma
Subject: Math
, asked on 23/5/20
Can you please explain this sum
Answer
1
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Question no. 23

A a=root3

B a=3

C b=3

D b=root2