Official Quant thread for CAT 2013

Let x, y, z be positive real numbers satisfying

1/3

Determine the range of values for (i) xyz, and (ii) x + y + z.

Plz guys have a look..I hv a doubt!!

If there are 10 people who are lined up to give a speech on ethics in knowledge sharing and education. In how ways can they deliver their speeches given that the Principal should deliver the speech before the Vice-Principal and the only Student Mentor among the group after the Principal ?

Ten tickets are numbered 1,2,3.........10. six tickets are selected at random one at a time with replacement. prob that largest no. appearing on the selected ticket is 7 is ?

ABC is an isoceles triangle with the base BC = 48cm . The median AD to the base measures 32 cm . find the perimeter of the triangle

had to do a multiplication.Insted of taking 48 as one of the multipliers he took 84 so the product went up by 3600.What is the new product

ABCD is a quadrilateral where its angles are in the ratio of 1:2:3:4 .

State which one is true

A) AB=CD B) Cyclic Quadrilateral C) AB !! CD D) AD !! BC E) None

try it out!

LCM of n numbers is 240.What can be the maximum value of n.

The sum of three numbers is 38. The sum of twice the first number, thrice the second number and five times the third number is 174. If all the three are prime numbers, then what is the largest number?

The midpoints of the sides of a given square are joined to form a second square. Similarly, a third square is drawn inside the second square and so on. If the side of the first square is 16 cm, then what is the sum of the sides of all the squares? @sagarcat


60% of children in a sports club play basketball, 70% play football and 80% play volleyball. What is the smallest percentage of children playing all the three games?

If p^ab/c^2 =q^ac/b^2 =r^bc/a^2 =s^1/3 and a + b + c = 0, then what is the value of (pqr/s)?

The cricket board decides to raise a cricketers beneficiary fund of 5 crores. A start is made with 10 lac and every year an additional worth 3 lac is made. What should be the last years contribution to make up the desired fund?

Find the remainder when (17!)^(18!) is divided by (19!).

solve this!

How to find the compounded annual growth rate when 250 amounts to 350 in 4 yrs?


th earnings of a marketing executive are partly fixed n partly variable.the variable earnings vary as 120/- per unit sold for sales achieved above target. 2 exec. A and B achieved sales of 300 n 400 respectively and earnings in ratio 8:11 . If sales target is less than 300 units, what is the earnings of an executive who achieves sales of 600 units?


38000
54000
68000
76000
CBD

ashok bought 13000 anually compounded at 20 % rate of interest. At th end of frst yr, he repaid a certain amt. then he cleared th outstanding amt in two equated yearly installments of 7200. Amount he paid at th end of frst yr is



4600
5000
5400
5600
6000

in a river flowing betn 2 villages,raju is rowing upstream. aftr smtym , he dropped a paper boat into th stream. 15 mins aftr th drop he strtd rowing downstreams towards th paper boat. if speed at wch raju cn row in still water is 'n' times of th speed of river, then hw mch tym aftr th drop cn he reach th paper boat?


30 mins
60 mins
45 mins
never
cbd