TT-Soft IQ test for Developers

At a conference, 12 members shook hands with each other before and after the meeting. How many handshakes were there in total?

9 + 4 = 513
6 + 4 = 210
5 + 1 = 46
15 + 3 = ?

3, 8, 18, ?, 78

Mary, who is 16 years old, is four times older than her brother. How old will Mary be when she is twice her brother's age?

Two children can build a sandcastle in 3 hours. Susan can build three times faster than Jane. How long will it take Jane to build it alone?

A store reduces the price of one of its products by 20%. By what percentage must the reduced price be increased to restore the original price?

If a clock were divided into 8 hours instead of 12, which number would be directly opposite 3?

If A is the son of Q, Q and Y are sisters, Z is Y's mother, and P is Z's son, which statement is correct?

What is the arithmetic mean of the number of days in January, days in a week, and weeks in a year?

2, 10, 12, 60, 62, 310, ?

In a race between point X and Y, Jack runs an average of 30 miles per hour towards point Y and 10 miles per hour towards point X. Sandy runs an average of 20 miles per hour in both directions. If both start at the same time, who will finish first?

121, 144, 169, 196, ?

What is half of one-fourth of one-tenth of 800?

16 (31) 47
21 ( ?) 48

2, 5, 10, 17, 26, ?

A cube has a volume of 27 cubic meters. What will its volume be if all its sides are doubled?

64, 16, 4, 1, 1 /4 , ?

21 (144) 51
13 ( ? ) 16

Ferguson has 8 hats, 6 shirts, and 4 trousers. How many days can he dress without repeating any combination of clothes?

198 ( 32 ) 356
183 ( ? ) 362

I am a man. If Albert's son is the father of my son, what is my relationship with Albert?

4, 5, 8, 17, 44, ?

5, 10, 19, 32, 49, 70, ?

A boy is 4 years old, and his sister is three times his age. When the boy is 12 years old, how old will his sister be?

Ten people can paint 60 houses in 120 days. How many days will it take five people to paint 30 houses?

1-4-3
5-9-4
4-8-?

Two cars start at the same point on a flat highway and move in opposite directions. Each car travels 6 miles, turns left, and travels 8 miles. What is the distance between the two cars?

Which is the largest fraction?

What is the average of all integers from 1 to 121?

Hand is to glove as head is to?