Number System MCQs Test (Chapter-5) : Key 100 Questions to Competitive Exam Success

A container is filled with a mixture of water and juice in the ratio of 3:2. If there are 30 liters of the mixture, how many liters of juice are in the container?

What is the remainder when 2^2023 is divided by 7?

A recipe calls for 1/4 cup of sugar. If you want to make 3 times the recipe, how many cups of sugar do you need?

Fraction between 2/5 and 4/9 is

What is the sum of the first 100 positive even numbers?

What is the value of φ(10), where φ(n) represents Euler's totient function?

A man spends 1/4th of his income on food 2/3rd of it on house rent and the remaining income which is Rs. 630 on other commodities. Find his house rent.

If the sum of five consecutive integers is S, then the largest of those integers in terms of S is

A number x when divided by 289 leaves 18 as the remainder. The same number when divided by 17 leaves y as a remainder. The value of y is

What is the smallest positive integer that is evenly divisible by all the integers from 1 to 10?

What is the square root of the cube root of 27?

Out of six consecutive natural numbers, if the sum of first three is 27, what is the sum of the other three ?

If n is a positive integer and 2^n = 256, what is the value of n?

A farmer has a rectangular field. If 2/5 of the field is used for growing wheat and the remaining area is used for corn, and the field's total area is 600 square meters, how many square meters are used for growing corn?

What is the largest prime number less than 1000?

Which of the following is the unit digit in the product of 853 x 452 x 226 x 1346?

Sarah bakes a cake and wants to divide it among her friends. If she cuts 5/9 of the cake into 12 equal slices and the rest of the cake into 16 equal slices, how many slices are there in total?

If a number is divisible by 3 and 5, what is the smallest positive integer it must be divisible by?

A car travels at a speed of 60 km/h for the first 2/5 of a journey and then at 90 km/h for the remaining 3/5 of the journey. If the total distance is 300 km, how long does the trip take in hours?

What is the result of raising 10 to the power of 0.5?