Official Quant thread for CAT 2013

MBA CAT 2024
8921
2, 9, 125, 2401, 161051, ?

(A) 1771561
(B) 19487171
(C) 4826809
(D) 371293
(E) None of These
8922
@jain4444 said:
2, 9, 125, 2401, 161051, ?(A) 1771561(B) 19487171(C) 4826809(D) 371293(E) None of These
C ) 4826809 = 13^6
8923
@jain4444 said:
2, 9, 125, 2401, 161051, ?(A) 1771561(B) 19487171(C) 4826809(D) 371293(E) None of These
2^1 , 3^2 , 5^3 , 7^4 , 11^5 , 13^6

4826809
8924
@jain4444 said:
2, 9, 125, 2401, 161051, ?(A) 1771561(B) 19487171(C) 4826809(D) 371293(E) None of These
(C) 4826809?

Series is (prime)^(natural) so 13^6

regards
scrabbler
8925

Amar and Akbar left bhubaneshwar simultaneously and travelled towards cuttack . Amar's speed was 15 kmph and that of Akbar was 12 Kmph. Half an hour later, Anthony left Bhubaneshwar and travelled in the same direction . Some time later he overtook Akbar and 90 minutes further on he overtook Amar. Find Anthonys speed..
Pls explain approach

8926
@determined1 said:
Amar and Akbar left bhubaneshwar simultaneously and travelled towards cuttack . Amar's speed was 15 kmph and that of Akbar was 12 Kmph. Half an hour later, Anthony left Bhubaneshwar and travelled in the same direction . Some time later he overtook Akbar and 90 minutes further on he overtook Amar. Find Anthonys speed.. Pls explain approach
18 kmph?

7.5/(A - 15) - 6/(A - 12) = 1.5
(7.5A - 90 - 6A + 90) = 1.5 (A^2 - 27A + 180)
1.5A = 1.5 (A^2 - 27A + 180)
A = A^2 - 27A + 180
A^2 - 28A + 180 = 0
A = 18 or A = 10
8927
@krum said:
next term ?3, 8, 13, 24, 41, ...
3+8+2=13
8+13+3=24
13+24+4=41
24+41+5=70
8928
if D = 4 and read is coded as 7 , then what is hear coded as ?

32 , 33 , 7 , 8
8929
@jain4444 said:
2, 9, 125, 2401, 161051, ?(A) 1771561(B) 19487171(C) 4826809(D) 371293(E) None of These
2^1 3^2 5^3 7^4 9^5 11^6

121*121*121
1728000+1+43200+360
1771561

8930
@jain4444 said:
if D = 4 and read is coded as 7 , then what is hear coded as ?32 , 33 , 7 , 8
8?

r = 18
e = 5
a = 1
d = 4
sum = 28
28/4 = 7


h = 8

new sum = 32
32/4 = 8

8931
@jain4444 said:
if D = 4 and read is coded as 7 , then what is hear coded as ?32 , 33 , 7 , 8
8?

for read..7 = sum of alphabets/4
hear = 8
8932
@determined1 said:
Amar and Akbar left bhubaneshwar simultaneously and travelled towards cuttack . Amar's speed was 15 kmph and that of Akbar was 12 Kmph. Half an hour later, Anthony left Bhubaneshwar and travelled in the same direction . Some time later he overtook Akbar and 90 minutes further on he overtook Amar. Find Anthonys speed.. Pls explain approach
6/t=a-12----1
7.5/(t+1.5)=a-15----2
Putting value of t from 1 to 2
7.5/(a-15)-6/(a-12)=1.5
a=18 satisfy
8933
@jain4444 said:
if D = 4 and read is coded as 7 , then what is hear coded as ?32 , 33 , 7 , 8
8
8934
@jain4444 said:
if D = 4 and read is coded as 7 , then what is hear coded as ?32 , 33 , 7 , 8
R=18
E=5
A=1
D=4
Total=28/4=7

Hear=8+1+5+18=32/4=8
8935
What is the fifth root of 7776?
8936
@Gaul said:
What is the fifth root of 7776?
6
8937
@Gaul said:
What is the fifth root of 7776?
6
8938
@soumitrabengeri said:
6
How?
8939
@soumitrabengeri said:
6
--Duplicate Post--
8940
@Gaul said:
How?
There is no method here..just tried for the value of 6