# Reason - practice problems

#### Number of problems found: 2009

- Minimum interior angle

What is the minimum interior angle possible for a regular polygon? - Write 11

Write a digit in place of X so that 85X634 is divisible by 11. - A train 4

A train passes two bridges of 400 m and 260 m in 25 sec and 18 sec, respectively. Find the length and speed of the train. - Milk bottles

A container of milk was 4/5 full. When 12 bottles of milk were taken out and 8 bottles of milk poured into it, it was 3/4 full.How many bottles of milk can the container contain?

- Full-tank

A full-tank of petrol a car lasts for 10 days. If driver starts using 25% more everyday, how many days will the full-tank petrol last? - A mobile

A mobile phone and a tablet were sold at a profit of 10% and a loss of 8% respectively . If the cost price of the mobile is 1.5 times that of the tablet what is the overall percentage earned by selling both the articles? - A contractor 2

A contractor has to complete his contract in 92 days. 234 men were set to do the work, each of them works for 16 hours/day. After 66 days, 4/7 of the work is completed. How many additional men may be employed, so that the work may be completed in time, ea - Multiple and remainder

What is the least multiple of 7, which, when divided by each one of 6,9,15,18, gives the remainder of 4 in each case? - Sport field

There is a circular path around a sports field. Sonia takes 18 minutes to drive one round of the field, while Roland takes 12 minutes for the same. Suppose they both start at the same point and at the same time and go in the same direction. After how many

- What will

What will be the average of the numbers from 1 to 51? - Cows and hens

In a group of cows and hens, the number of legs is 14, more than twice the number of heads. Find the number of cows. - Series - double GP

In the following series, which number will replace the question mark? 4, 32, 16, 128, 64,? - Secondary 5

Secondary Middle School has 1200 students. Each student takes 5 classes a day. Each teacher teaches 4 classes. Each class has 30 students and 1 teacher. How many teachers are there at Secondary Middle School? - Parallelogram - right angles

In parallelogram ABCD; AB = 16 cm, BC = 12 cm and diagonal AC = 20 cm. Find the area of the parallelogram.

- The reflection law

AB is a mirror, PQ is the incident ray, and QR is the reflected ray. If angle PQR = 112°, find angle PQA. - Four years

Four years ago the average age of A and B was 18 years . If the present average age of A, B, and C is 24 years. Find the age of C after 8 years . - Diagonals

What is the number of diagonals of a decagon? - Remainder one

Find the least number when divided by 2,3,4,5,6, and 7, leaving the remainder as 1 in each case. - 20 men

20 men are supposed to complete a work in 10 days. After working for 5 days, they realize that only one-fourth of the work is done. How many more men they need to employ to complete the work on time?

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