Question

Simi Kaul's image
Simi Kaul
Aug. 1, 2019, 11:28 p.m.

n a certain test, there are n question. In the test, 2n−i students gave wrong answers to at least i questions, where i=1,2,.............,n if the total number of wrong answers given is 2047, then n is equal to a. 10 b. 11 c. 12 d. 13

Answer
Suman Dey's image
Suman Dey
Aug. 1, 2019, 11:24 p.m.

Physics of class 11

Answer
Chitrakshi Singh's image
Chitrakshi Singh
Aug. 1, 2019, 10:58 p.m.

determine the value of x for which the following function are strictly increasing or decreasing f(x)=5x^3/2-3x5/2 (x>0)

Answer
Johnson Kholi's image
Johnson Kholi
Aug. 1, 2019, 10:20 p.m.
A river is flowing south to north at a speed of 5 m/m.A man on the west bank of the river capable swimming 10m/m in still water, he want to swim across the river at the shortest time in what direction should he swim.
Answer
Puja Sharma's image
Puja Sharma
Aug. 1, 2019, 9:43 p.m.
Why we take 6\6
Answer
Maths
Geetanjali Verma's image
Geetanjali Verma
Aug. 1, 2019, 9:41 p.m.
Elimination mathod x y=5 and 2x - 3y =4
Answer
sandeep raju's image
sandeep raju
Aug. 1, 2019, 9:39 p.m.

prove that32+5 root2

 

Answer
Maths
Santosh Kumar's image
Santosh Kumar
Aug. 1, 2019, 9:32 p.m.

53*46 by the smallest number to make divisible by 3

Answer
mahnoor malik's image
mahnoor malik
Aug. 1, 2019, 9:26 p.m.

solve the exercise 5 Q#6 given on page 66 new countdown 8 second edition in the notebook

Answer
Maths
mini parkour official's image
mini parkour official
Aug. 1, 2019, 9:17 p.m.
A bag contains 4 cards number 1 3 5 and 7 respectively another back to container three cards number 2 
4 and 6 respectively a card is drawn at random from each bag find the probability that the sum of the card drawn is 9
Answer
Harsha Vardhan's image
Harsha Vardhan
Aug. 1, 2019, 9:13 p.m.
Arange the number in decending order 1/5,3/7,7/10
Answer
Lahari Nethi's image
Lahari Nethi
Aug. 1, 2019, 9:10 p.m.
49asquare 70ab 25bsquare

Answer
all in one one's image
all in one one
Aug. 1, 2019, 9 p.m.
How did it become -32
Answer
Anuradha Patel's image
Anuradha Patel
Aug. 1, 2019, 8:58 p.m.
I am jatin I am 7 Year old then what is my age after 5 year
Answer
Subramaniam Balamuthu Manickam's image
Subramaniam Balamuthu Manickam
Aug. 1, 2019, 8:54 p.m.

An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?

Answer
Madhuri Sudan's image
Madhuri Sudan
Aug. 1, 2019, 8:48 p.m.

Class 12 maths application of derivatives

Answer