Please see the attachment ...
Options :
a. n+1
b. 2n
c. 2n+3
d. n-1
is inverse trigonometry imp for CAT?
- yes
- no
0 voters
x+2y+3z=6..how many non-negative triplets(x,y,z) are possible..where x,y,z are unique no's
Please share approach
there is a circular track of length 440m.A is diametrically opposite to B.C is midway between A and B.Speeds of A,B,and C are 5,10,8 m/s respectively.All three started to run in clockwise direction @10.am.When will B meet c for 2nd time?
1)10.06.25 am
2)10.04.35 am
3)10.03.50 am
4)10.02.45 am
The average of five natural numbers is 150. A particular number among the five exceeds another by
100. The rest three numbers lie between these two numbers and they are equal. How many different
values can the largest number among the five take?
(a) 59 (b) 19 (c) 21 (d) 42
guys...i have started my preparation for CAT13 since july...do ull...think i will be able to crack cat dis year...i m trying my best
Who all are attending Topper's Workshop being conducted by TIME, Delhi?
How many numbers below 100 can be expressed as a difference of two perfect squares in only one way?
a)25
b)26
c)34
d)35
THE PRODUCT (1-1/5)*(1-(1/5)^2)*(1-(1/5)^4).....UPTO INFINITY ....IS EQUAL TO
1 :5/6 2:6/5 3:4/5 4:5/4 .
1,6,7,13,20,33...... upto 52 terms.Find the sum
(BE)2 = MPB, where B, E, M and P are distinct integers. Then M =
a. 2
b. 3
c. 9
d. None of these
A, B and C start from the same place and travel in the same direction at speeds of 30, 40 and 60 km per hour respectively. B starts two hours after A. If B and C overtake A at the same instant, how many hours after A did C start?
A number is formed by writing first 54 natural numbers in front of each other as 12345678910111213
... Find the remainder when this number is divided by 8.
a. 1 b. 7 c. 2 d. 0
A,B,C,D,E are 5 points placed randomly on the circumference of a circle. Every point is joined with the points that are not adjacent to it by straight line segments. What is the sum of the angles at the vertices of the star so formed?
ans is 180
approach plz
There are three equal containers that are completely filled with different water-alcohol mixtures with water and alcohol in the ratio 2 : 3, 3 : 4 and 4 : 5 respectively. They are emptied into a bigger container. What fraction of the mixture in the bigger container should be replaced by water so that the resulting mixture has equal quantities of water and alcohol?
If (666 ... n digits)2 + (888 .... n digits) = Y, where n > 1, then find the hundred's digit in Y.
ans 4
approach plz
@brpedu -- refer to figure below.
angle DOC + BOC + AOB + EOA + EOD = 360.
Angle at the circumference is 1/2 the angle at the center.
so 360/2 = 180..
angle DOC + BOC + AOB + EOA + EOD = 360.
Angle at the circumference is 1/2 the angle at the center.
so 360/2 = 180..
In an increasing Arithmetic Progression, the product of the 5th term and the 6th term is 300. When the 9th term of this A.P. is divided by the 5th term, the quotient is 5 and the remainder is 4. What is the first term of the A.P.?
If n2 = 12345678987654321, what is n?
a. 12344321 b. 1235789 c. 111111111 d. 11111111
Three jackals Paar, Maar and Taar together have 675 loaves of bread. Paar has got 3 times as much as Maar but 25 loaves more than Taar. How many does Taar have?