Find the wrong number in the given series:
2,3,12,37,86,166,288
Answers were Sorted based on User's Feedback
Answer / chiranjeevi
sequence is 2,3,12,37,86,166,288
3-2=1
12-3=9
37-12=25
86-37=49
166-86=80(this must be 81->167-86=81)
so wrong number in the sequence is 166
difference between two sucessive numbers sequence would be
1,9,25,49,81,121(square of 1,3,5,7,9,11)
Is This Answer Correct ? | 161 Yes | 11 No |
A man covers 27 kms in 9 hrs and return home with a speed of 5 km/hr.what is his average speed for entire journey?
Frank is 15 years younger then John. In 5 years John will be twice as old as Frank. How old will Frank be in four years?
If x and x+10 are lengths containing right angle, what is the equation if area is 24 sq.cm
In a certain department store, which has four sizes of a specific shirt, there are 1/3 as many small shirts as medium shirts, and 1/2 as many large shirts as small shirts. If there are as many x-large shirts as large shirts, what percent of the shirts in the store are medium?
A new apartment complex purchased 60 toilets and 20 shower heads. If the price of a toilet is three times the price of a shower head, what percent of the total cost was the cost of all the shower heads?
19.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that a^b is a perfect square? (a^b=a to the power of b) a)1/3 b)2/3 c)23/36 d)11/18 ans: 20.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that (a × b) is a perfect square? a)5/36 b) 2/9 c) 7/36 d) 1/6
A worker earns a 5% raise. A year later, the worker receives a 2.5% cut in pay, & now his salary is Rs.22702.68 What was his salary to begin with?
sir i need rrb secunderabad goodsguard previous exam papers
A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms to the east.How far is A from his starting point?
how many two digit numbers satisfy the property:the last digit of the sqr of the two digit number is 8
The sum of the digits of a two digit number is 8. When 18 is added to the number, the digits are reversed. Find the number? pls explanation is important
there is a 4 inch cube painted on all sides. this is cut into no of 1 inch cubes. what is the no of cubes which have no pointed sides.