2, 6, 12, 20, 30, ___, 56

Answer Posted / hariharasudhan

common difference of the next next numbers are in the G.P.
6-2=4
12-6=6
20-12=8
30-20=10
?-30=12
so the ?=42
that's also match the next number also.
56-42=14
so the answer is 42

Is This Answer Correct ?    8 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Calculate the area of the triangle in square cm if a right angled triangle where the length of the shorter leg is one third of the length of its hypotenuse. And the length of the shorter leg is 7 cm.

722


How many people are there in the queue if I am 7th in the queue from either end?

747


pls send me andhra bank clerk model papers&syllabus

1730


Differences you see in private and public bank?

1815


Grass in lawn grows equally thick and in a uniform rate. It takes 24 days for 70 cows and 60 for 30 cows . How many cows can eat away the same in 96 days.?

747






If a and b are positive integers and (a-b)/3.5 = 4/7, then the relation between a and b is

762


one question has last part like difference between two terms is 9 and product of two numbers is 10, what is the squares of sum of numbers?

774


A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.

985


Age of Grandfather is the ages of 4 grandchildren where their ages are in consecutive.Find the age of Grandfather.

996


Find the value of ( 0.75 * 0.75 * 0.75 - 0.001 ) / ( 0.75 * 0.75 - 0.075 + 0.01)?

1057


The Parallelogram PQRS, the line RS have midpoint T from line PQ. What is the ratio of Triangle PTS / parallelogram PQRS?

1115


USA + USSR = PEACE ; P + E + A + C + E = ?

1172


6 people A,B,C,D,E and F sit around a table for dinner. Since A does not like C, he doesn't sit either opposite or beside C.B and F always like to sit opposite each other. If A is beside F then who is are the two neighbours of B?

1631


a radioactive material of mass 16 grms in 10 years due to radiation. how many years will it take for the material to attain a mass f 1 gm

718


Two candles of equal lengths and diff thickness are there. The thicker one last 6 hrs ,the thinner 2 hrs less than thicker .Ramesh lit the two candle at same time , when he went to bed he saw that thicker one is twice the length of thinner one. For how long Ramesh lit the candles.

821