@avdheshku672
Started 3 weeks ago in
Unable to understand
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@avdheshku672
Started 3 weeks ago in
Please solve in doubt classes.
The strength of a salt solution is p% if 100 ml of the solution contains p grams of salt. If three salt solutions A, B, C are mixed in the proportion 1:2:3, then the resulting solution has strength 20%. If instead the proportion is 3:2:1, then the resulting solution has strength 30%. A fourth solution, D, is produced by mixing B and C in the ratio 2: 7. The ratio of the strength of D to that of A is
@avdheshku672
Started 3 weeks ago in
Q 17 please explain in doubt classes.
img_20241015_233817_6695894577510712077.jpg 3.49 MB
@avdheshku672
Started 3 weeks ago in
Q No 38 unable to solve
img_20241009_230134_4869660633502901381.jpg 3.5 MB
@avdheshku672
Started 3 weeks ago in
Q No 18
img_20241005_223548_7668976360722448358.jpg 3.22 MB
@avdheshku672
Started 3 weeks ago in
Caselets
Every Saturday, the members of Raja Harish Chandra Club meet in the evening. All the members of the club are honest and never lie. Last Saturday, the following conversation was heard at one of the tables with five members sitting around it.Satya Sadhan: In this club not all members are friends with each other.Satyabrata: None of the pair of friends in this club has any common friend.Satyajit: Every pair of members who are not friends has exactly two common friends in this club.Satya Pramod: There are fewer than 22 people in this club.Example 1: How many members are there in the club?
@avdheshku672
Started 3 weeks ago in
Geometry pyq
A vertical tower OP stands at the centre O of a square ABCD. Let h and b denote the lengths OP and AB respectively. Suppose angle APB = 60 deg Then the relationship between h and b can be expressed as(1) 2b ^ 2 = h ^ 2(3) 3b ^ 2 = 2h ^ 2(2) 2h ^ 2 = b ^ 2(4) 3h ^ 2 = 2b ^ 2
@avdheshku672
Started 3 weeks ago in
Geometry triangle
ABC is an equilateral triangle. Point D is on AC and point E is on BC, such that AD = 2CD and CE = EB. If we draw perpendiculars from D and E to other two sides and find the sum of the length of two perpendiculars for each set, that is, for D and E individually and denote them as per (D) and per (E) respectively, then which of the following option will be correct.(a) per (D) per (E) (b) per (D) per (E) (c) per (D) = per (E) (d) None of these
@avdheshku672
Started 3 weeks ago in
Number system
How many natural number upto 200 can be expressed as a difference of two perfect squares in at least one way?
@avdheshku672
Started 3 weeks ago in
Unable to Solve Caselets
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