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

An integer us divisible by 16 if and only if its last X digits are divisible by 16. The value of X would be

A group of friends is sharing a pizza. If the pizza is divided into 10 equal slices and each person eats 3/5 of a slice, how many people can share the pizza if there are 6 slices left?

Sarah has a jug of orange juice. She drinks 1/4 of it in the morning and 1/3 of it in the afternoon. What fraction of the jug remains?

There is a number consisting of two digits, the digit in the units' place is twice that in the tens' place and if 2 be subtracted from the sum of the digits, the difference is equal to 1/6th of the number. The number is

Find the sum of all positive multiples of 3 less than 50

A box contains a mixture of nuts and raisins. If 3/8 of the mixture is nuts, and there are 60 nuts in the box, how many raisins are in the box?

In a container, 5/12 of the liquid is water, and the rest is orange juice. If there are 120 liters of liquid in the container, how many liters of orange juice are there?

The digit in unit's place of the product (2153)^167 is :

6 x 3 (3 - 1) is equal to

By interchanging the digits of a two digit number we get a number which is four times the original number minus 24. If the unit's digit of the original number exceeds its ten's digit by 7, then original number is

A chef is making a fruit salad with 3 types of fruit: apples, oranges, and bananas. If 2/5 of the salad consists of apples, 3/10 consists of oranges, and the rest is bananas, what fraction of the salad is bananas?

A circular garden is divided into two sectors, with the first sector covering 3/8 of the garden's area and the second sector covering 1/6 of the garden's area. What fraction of the garden is not covered by the sectors?

In a race, Emily completes 2/5 of the distance in 25 minutes and the remaining 3/5 of the distance in 15 minutes. What is Emily's average speed for the entire race if the total distance is 10 kilometers?

The unit digit in the expansion of (2137)^754 is

A farmer wants to distribute apples among his three sons. If he divides 3/5 of the apples equally among the first two sons and the remaining 2/5 among the third son, what fraction of the apples does each son receive?

The digit in unit's place of the number (1570)^2 +(1571)^2 +(1572)^2 +(1573)^2 is :

One's digit of the number (22)^23 is

If 1/7 of a number is equal to 3/5 of another number, and their sum is 72, what are the two numbers?

The sum of all those prime numbers which are not greater than 17 is

A car travels at a speed of 50 mph for the first 3/8 of its journey and then at a speed of 60 mph for the remaining 5/8 of its journey. What is the car's average speed for the entire journey?