Every student in a class swims, dances, or does both. Three fifths of the class swim and three fifths dance. Five students both swim and dance. How many students are in the class?
Pointing to a man, a girl said, “He is the husband of the granddaughter of the mother of my mother”. How is the man related to the girl?
Select one: a. Cousin b. Father c. Brother d. Brotherinlaw
. A group of labourers are building a villa. After half the villa has been built, double the number of labourers joins the original group. The villa is completed 8 days earlier. What is the total number of days needed to complete the wall by the initial group of men?
In each of the following questions two statements and four conclusions are given. Choose the conclusion which logically follows.
15. Statements: No pen is sword.
All swords are switches. Conclusions:
1. No pen is a switch
2. No switch is a pen
3. Some switches are swords
4. All the switches are swords
In a row of girls, Abi is 15th from the left and Suchi is 23rd from the right. If they interchange their positions, Abi becomes 18th from the left, then how many girls are there in the row?
If P x Q means ‘P is the brother of Q’, P ÷ Q means ‘P is the son of Q’ and P – Q means ‘P is the sister of Q’, then which of the following relations will show that Q is the maternal uncle/aunt of P?
a. Q x R ÷ P
b. Q x R ÷ P
c. P x R – Q
d. P ÷ R - Q
Language is remarkable, except under the extreme constraints of mathematics and logic, it never can talk only about what it's supposed to talk about but is always spreading around.