Q6) In the village of Kpetewoma, there are two marriage groups Molango and Tsuande. No marriage is permitted within a group. On marriage,a male becomes a part of his wife’s group, while women remain in their own group. Children belong to the same group as their parents.Widowers and divorced males revert to the group of their birth. Marriage to more than one person at the same time and marriage to a direct descendent are forbidden.

1 - A Tsuande female could have:
I. A grandfather born as a Molango.
II. A grandmother born as a Molango.
III.Both the grandfathers born as a Tsuande.
a) I only
b) III only
c) I and II only
d) II and III only

2 - Which of the following is not permitted under the rules?
a) A Tsuande male marrying his father’s sister.
b) A Molango female marrying her mother’s unmarried brother.
c) A man born as a Molango and now a widower, marrying his brother’s widow.
d) A widower marrying his wife’s sister.

3 - If widowers and divorced males retained the group they went into upon marrying, which of the following would be permissible?
a) A woman marrying her dead sister’s husband.
b) A woman marrying her divorced daughter’s ex-husband.
c) A widower marrying his brother’s daughter.
d) A woman marrying her mother’s brother who is a widower

Hint: check for F it definitely predicted 1,6,7 ranks wrong (7 bcoz every rank is predicted by exact one friend right , isme 2 ho jate nhi to), srilanka ka max diff = 5 means it has either 1 or 6th rank since 6th is of newz so it has 1st rank, so F predicted it wrong too, means ranks predicted right by F are 2,3,5
maximum of pakistan = 5 means it can be either 4 or 7 so F definitely predicted it wrong. Now try

@slim-shady-16
160 seems correct and thanks for the detailed explanation.

Q61) Maalchand had 100 pieces each of articles A and B. A was cheaper in price than B. Fearing police raid, Maalchand decides to sell all the pieces in two days. On the first day, he sold A and B at 10% and 30% profit respectively. Although, he made a net profit of 25%, the articles did not sell much and was not more than 25 pieces of each type. On second day, A and B were sold at 30% and 10% profit respectively. In the process, all the articles of Maalchand were sold, but his net profit for the second day was reduced to 20%. Which among the following is not true?
(a) the cost price of each piece of article A was less than 18% cheaper than each piece of article B
(b) the total sale on the first day was 19.5% of the total sale
(c) the net profit on the total sale was 20.9%
(d) all of the foregoing
(e) none of the foregoing

Q43)

CRT -
100 = 4 * 25
15 * 37 * 63 * 51 * 97 * 17 mod 4 = -1 = 3
15 * 37 * 63 * 51 * 97 * 17 mod 25
5 is common factor here
3 * 37 * 63 * 51 * 97 * 17 mod 5=-2 * 2 * 3 * 1 * 2 * 2 = 2
so remainder =10
so 25a + 10 = 4b + 3
35

x^3-3x^2+5x-17=0
y^3-3y^2+5y+11=0,
add both equations
x^3+y^3-3(x^2+y^2)+5(x+y)-6=0
(x+y)((x+y)^2-3xy)-3((x+y))^2-6xy+5(x+y)-6=0
(x+y)^3-3xy(x+y)-3((x+y)^2-6xy+5(x+y)-6=0
((x+y-2))((x+y)^2-(x+y))+((3-3xy))=0
so x+y=2